Math Homework Answers - Recent questions tagged standard deviation
https://www.mathhomeworkanswers.org/tag/standard+deviation
Powered by Question2AnswerWhat is the mean height of women in a country (ages 20-29) is 63.9 inches?
https://www.mathhomeworkanswers.org/248024/what-is-the-mean-height-of-women-in-country-ages-29-is-63-inches
The mean height of women in a country (ages 20-29) is 63.9 inches. A random sample of 60 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 inches? Assume the standard deviation is =2.59 The probability that the mean height for the sample is greater than 64 inches is ____?Statistics Answershttps://www.mathhomeworkanswers.org/248024/what-is-the-mean-height-of-women-in-country-ages-29-is-63-inchesMon, 13 Nov 2017 11:12:15 +0000a gambler bets on number 8, there is a 1/38 chance of winning, the gambler bets on number 8 seventy times. what are the values for n,p,q? Find the mean, standard deviati
https://www.mathhomeworkanswers.org/247740/gambler-winning-gambler-number-seventy-values-standard-deviati
a gambler bets on number 8, there is a 1/38 chance of winning, the gambler bets on number 8 seventy times. what are the values for n,p,q? Find the mean, standard deviation. the rulette is americanStatistics Answershttps://www.mathhomeworkanswers.org/247740/gambler-winning-gambler-number-seventy-values-standard-deviatiMon, 06 Nov 2017 19:00:13 +0000what is the standard deviation of the numbers -9, -7, -4, -1, 0, 2, 7, 9, 12
https://www.mathhomeworkanswers.org/246343/what-is-the-standard-deviation-of-the-numbers-9-7-4-1-0-2-7-9-12
what is the standard deviation of these numbers?Statistics Answershttps://www.mathhomeworkanswers.org/246343/what-is-the-standard-deviation-of-the-numbers-9-7-4-1-0-2-7-9-12Wed, 04 Oct 2017 16:46:31 +0000What is the value of SS (sum of squared deviations) for the following sample? Sample: 1, 3, 2, 2
https://www.mathhomeworkanswers.org/237752/what-value-squared-deviations-the-following-sample-sample
i need help with this problemStatistics Answershttps://www.mathhomeworkanswers.org/237752/what-value-squared-deviations-the-following-sample-sampleSun, 12 Feb 2017 03:03:28 +0000standard form of 198/-297
https://www.mathhomeworkanswers.org/228154/standard-form-of-198-297
write the standard form of 198 / -297 rational number .Calculus Answershttps://www.mathhomeworkanswers.org/228154/standard-form-of-198-297Sat, 08 Oct 2016 16:25:00 +0000compute the standard error for the sample size 50, assuming a population mean of 120 and a standard deviation of 25
https://www.mathhomeworkanswers.org/205760/compute-standard-assuming-population-standard-deviation
How do I calculate the answer, please be very detailed, Thank You.Statistics Answershttps://www.mathhomeworkanswers.org/205760/compute-standard-assuming-population-standard-deviationSun, 27 Sep 2015 22:50:12 +0000A sample of data has a standard deviation of 87. If you were to multiply all of the scores in the data set by factor of 61, what would the new standard deviation be?
https://www.mathhomeworkanswers.org/201986/sample-standard-deviation-multiply-factor-standard-deviation
A sample of data has a standard deviation of 87. If you were to multiply all of the scores in the data set by factor of 61, what would the new standard deviation be?Statistics Answershttps://www.mathhomeworkanswers.org/201986/sample-standard-deviation-multiply-factor-standard-deviationMon, 13 Jul 2015 11:00:18 +0000The mean store for an exit text at an urban high school examination was 68% with a standard deviation of 3. Given these results, what percentage of students fall under the mean?
https://www.mathhomeworkanswers.org/193961/examination-standard-deviation-results-percentage-students
~~The mean store for an exit text at an urban high school examination was 68% with a standard deviation of 3. Given these results, what percentage of students fall under the mean?Statistics Answershttps://www.mathhomeworkanswers.org/193961/examination-standard-deviation-results-percentage-studentsThu, 19 Mar 2015 22:55:42 +0000what is the range, population mean,population variance,population standard deviation for 2,9,15,5,15,10,13,10,4,8
https://www.mathhomeworkanswers.org/189379/population-population-variance-population-standard-deviation
the numbers of regular season wins for 10 football teams in a given season.Statistics Answershttps://www.mathhomeworkanswers.org/189379/population-population-variance-population-standard-deviationThu, 15 Jan 2015 15:43:36 +0000Follow the normal distribution with a mean of 1200 and a standard deviation of 225 and establish inventory levels such that there is only a 5% chance of running out of stock
https://www.mathhomeworkanswers.org/188025/distribution-standard-deviation-establish-inventory-running
~~The monthly sales of mufflers in the Richmond, VA area follow the normal distribution with a mean of 1200 and a standard deviation of 225. The manufacturer would like to establish inventory levels such that there is only a 5% chance of running out of stock. Where should the manufacturer set the inventory levels?Statistics Answershttps://www.mathhomeworkanswers.org/188025/distribution-standard-deviation-establish-inventory-runningSat, 03 Jan 2015 02:05:57 +0000what is the mean of 198, 203, 241, 255, 211, 199, 198?
https://www.mathhomeworkanswers.org/186190/what-is-the-mean-of-198-203-241-255-211-199-198
What is the mean of 198, 203, 241, 255, 211, 199, 198?Statistics Answershttps://www.mathhomeworkanswers.org/186190/what-is-the-mean-of-198-203-241-255-211-199-198Wed, 17 Dec 2014 03:08:00 +0000Find the standard deviation for: 45 96 33 16 35 81 71 12 28.
https://www.mathhomeworkanswers.org/184079/find-the-standard-deviation-for-45-96-33-16-35-81-71-12-28
I need the standard deviation for the above numbers.Statistics Answershttps://www.mathhomeworkanswers.org/184079/find-the-standard-deviation-for-45-96-33-16-35-81-71-12-28Sun, 30 Nov 2014 21:10:29 +0000Find the z-score for which 12% of the distribution area lies between -z and z
https://www.mathhomeworkanswers.org/183166/find-the-score-which-12%25-distribution-area-lies-between-and
<p><span style="font-family:helvetica,arial,sens-serif; font-size:14px">Find the z-score for which 12% of the distribution area lies between -z and z</span></p>Statistics Answershttps://www.mathhomeworkanswers.org/183166/find-the-score-which-12%25-distribution-area-lies-between-andWed, 26 Nov 2014 19:23:13 +0000a mean of 6, a median of 4, and amode of 3.fina the standard deviation.
https://www.mathhomeworkanswers.org/177465/mean-of-6-median-of-4-and-amode-of-fina-the-standard-deviation
a sample of four observation has a mean of 6, a median of 4, and a mode of 3.find the standard deviation.Statistics Answershttps://www.mathhomeworkanswers.org/177465/mean-of-6-median-of-4-and-amode-of-fina-the-standard-deviationMon, 10 Nov 2014 19:49:43 +0000what is relative standard deviation?
https://www.mathhomeworkanswers.org/174002/what-is-relative-standard-deviation
just looking for the definition, pleaseStatistics Answershttps://www.mathhomeworkanswers.org/174002/what-is-relative-standard-deviationFri, 24 Oct 2014 22:40:16 +0000for a particular set of data n=100, sumition(x-50)=123.5 and sumition(x-50)^2=238.4.
https://www.mathhomeworkanswers.org/137148/for-particular-set-data-100-sumition-123-and-sumition-50-238
mean and standard devitionStatistics Answershttps://www.mathhomeworkanswers.org/137148/for-particular-set-data-100-sumition-123-and-sumition-50-238Mon, 04 Aug 2014 11:23:23 +0000Find the standard deviation. 44 46 33 10 50 27
https://www.mathhomeworkanswers.org/137030/find-the-standard-deviation-44-46-33-10-50-27
Find the standard deviation. 44, 46, 33, 10, 50, 27Statistics Answershttps://www.mathhomeworkanswers.org/137030/find-the-standard-deviation-44-46-33-10-50-27Sat, 02 Aug 2014 14:13:21 +0000what is the standard deviation when n is 12, x is 52127 and the mean is 4343.917
https://www.mathhomeworkanswers.org/133537/what-the-standard-deviation-when-52127-and-the-mean-4343-917
I am doing a problem and can't figue out the standard deviation correctlyStatistics Answershttps://www.mathhomeworkanswers.org/133537/what-the-standard-deviation-when-52127-and-the-mean-4343-917Wed, 18 Jun 2014 14:03:20 +0000What data set with 8 pts can give a mean of approx 10 and standard deviation of approx 4?
https://www.mathhomeworkanswers.org/131785/what-data-set-with-give-mean-approx-standard-deviation-approx
I am having trouble finding this.Statistics Answershttps://www.mathhomeworkanswers.org/131785/what-data-set-with-give-mean-approx-standard-deviation-approxTue, 27 May 2014 21:27:48 +0000do I add zeros when calculating standard deviation?
https://www.mathhomeworkanswers.org/128971/do-i-add-zeros-when-calculating-standard-deviation
When I have a sample data set of responses to a Likert question as follows:<br />
<br />
1=0<br />
<br />
2=0<br />
<br />
3=3<br />
<br />
4=0<br />
<br />
5=2<br />
<br />
Do I calculate standard deviation this way: 0+0+0+3+3+3+0+0+0+0+5+5<br />
<br />
Or do I calculate it this way: 3+3+3+5+5Statistics Answershttps://www.mathhomeworkanswers.org/128971/do-i-add-zeros-when-calculating-standard-deviationSun, 27 Apr 2014 04:20:11 +0000How can you find quartiles using only the mean and the standard deviation.
https://www.mathhomeworkanswers.org/128312/can-you-find-quartiles-using-only-mean-the-standard-deviation
I'm supposed to find the first and third quartiles of a Normal distribution with the mean 0.785 millimeters (mm) and standard deviation 0.071 mm.Statistics Answershttps://www.mathhomeworkanswers.org/128312/can-you-find-quartiles-using-only-mean-the-standard-deviationFri, 18 Apr 2014 07:42:59 +0000find the expected return for a Bond Fund
https://www.mathhomeworkanswers.org/127881/find-the-expected-return-for-a-bond-fund
probability 0.02 extreme recession -350 for bond fund,Statistics Answershttps://www.mathhomeworkanswers.org/127881/find-the-expected-return-for-a-bond-fundSun, 13 Apr 2014 18:40:30 +0000number of dvd rented by four families is 8,4,2,and 16 use sample 3 and find the mean
https://www.mathhomeworkanswers.org/127762/number-dvd-rented-four-families-and-sample-and-find-the-mean
the number of dvd rented by each of four families in the past month is 8,4,16 and 2. use the samole size of 3. find the mean and standard deviationStatistics Answershttps://www.mathhomeworkanswers.org/127762/number-dvd-rented-four-families-and-sample-and-find-the-meanFri, 11 Apr 2014 05:39:41 +0000What are the z-score(s) of 29,35,31,39,41 ALL with a mean of 32 & a standard deviation of 3 ???
https://www.mathhomeworkanswers.org/127043/what-are-the-score-41-all-with-mean-of-32-standard-deviation-of
Find the z-scoreGeometry Answershttps://www.mathhomeworkanswers.org/127043/what-are-the-score-41-all-with-mean-of-32-standard-deviation-ofThu, 03 Apr 2014 00:37:43 +0000How to find bottom 10% of income of 33,000
https://www.mathhomeworkanswers.org/125648/how-to-find-bottom-10%25-of-income-of-33-000
If income is 33000. with a standard deviation of $9000 using a normal distribution with specified mean and standard deviation how to calulate the income cut off the bottom 10%Statistics Answershttps://www.mathhomeworkanswers.org/125648/how-to-find-bottom-10%25-of-income-of-33-000Sun, 16 Mar 2014 02:36:29 +0000Find the following probabilities
https://www.mathhomeworkanswers.org/125227/find-the-following-probabilities
<p>Find the following probabilities for Verbal SAT test scores X, for which the mean is 500 and the standard deviation is 100. Assume that SAT scores are described by a normal curve.</p>
<p>a. P(X<span style="text-decoration: underline;"><</span>500).</p>
<p>b. P(X<span style="text-decoration: underline;"><</span>650).</p>
<p>c. P(X<span style="text-decoration: underline;">></span>700).</p>
<p>d. P(500<span style="text-decoration: underline;"><</span>X<span style="text-decoration: underline;"><</span>700).</p>Statistics Answershttps://www.mathhomeworkanswers.org/125227/find-the-following-probabilitiesTue, 11 Mar 2014 22:38:53 +0000convert 108 to a -z score with mean of 180 and a standard deviation of 24
https://www.mathhomeworkanswers.org/123723/convert-108-score-with-mean-180-and-standard-deviation-of-24
Convert 108 to -z score, with a mean of 180 and standard deviation of 24Statistics Answershttps://www.mathhomeworkanswers.org/123723/convert-108-score-with-mean-180-and-standard-deviation-of-24Wed, 26 Feb 2014 00:53:52 +0000The probability that the sample mean was between $2.698 and $2.733 is?
https://www.mathhomeworkanswers.org/123463/the-probability-that-the-sample-mean-was-between-698-and-733
During a certain week the mean price of gasoline was $2.713 per gallon. A random sample of 31 gas stations is drawn from this population. What is the probablity that the mean price for the sample was $2.698 and $2.713Statistics Answershttps://www.mathhomeworkanswers.org/123463/the-probability-that-the-sample-mean-was-between-698-and-733Mon, 24 Feb 2014 05:35:14 +0000CALCULATE STANDARD DEVIATION AND COEFFICENT OF VARIATION
https://www.mathhomeworkanswers.org/123171/calculate-standard-deviation-and-coefficent-of-variation
<table border="1" cellpadding="1" cellspacing="1" style="width:500px">
<tbody>
<tr>
<td>X</td>
<td>10-20</td>
<td>20-30</td>
<td>30-40</td>
<td>40-50</td>
<td>50-60</td>
</tr>
<tr>
<td>F</td>
<td>7</td>
<td>3</td>
<td>6</td>
<td>10</td>
<td>15</td>
</tr>
</tbody>
</table>
<p>Question: For the above continuous data; calculate the standard deviation and the coefficient of variation</p>Statistics Answershttps://www.mathhomeworkanswers.org/123171/calculate-standard-deviation-and-coefficent-of-variationThu, 20 Feb 2014 10:59:40 +0000calculate- the expected rate of return and standard deviation for each investment.
https://www.mathhomeworkanswers.org/122695/calculate-expected-return-standard-deviation-investment
<p><strong>scenario </strong> <strong>probability </strong> <strong>rate of return </strong></p>
<p> stock bond</p>
<p>recession- 0.20 -5% +14%</p>
<p>Normal economy - 0.60 +15% +8%</p>
<p>boom- 0.20 +25% +4% </p>Geometry Answershttps://www.mathhomeworkanswers.org/122695/calculate-expected-return-standard-deviation-investmentFri, 14 Feb 2014 16:20:58 +0000(2+3)x4-2x7+10 **using BODMAS, BOMDAS or BEDMAS**
https://www.mathhomeworkanswers.org/122507/2-3-x4-2x7-10-using-bodmas-bomdas-or-bedmas
i am confused as to how to solve this. please helpOther Math Topicshttps://www.mathhomeworkanswers.org/122507/2-3-x4-2x7-10-using-bodmas-bomdas-or-bedmasWed, 12 Feb 2014 15:54:13 +0000subtracting standard deviations?
https://www.mathhomeworkanswers.org/112920/subtracting-standard-deviations
Process A mean -0.0000688" Standard Dev is 0.0000386" next subsequent process B mean is -0.0000400 Standard Dev is 0.0000719, how much more variation (standard deviation increase) from process A to B?<br />
<br />
Should I take the square root of the addition of the two variances or should I take the square root of the subtraction of the two variances?<br />
<br />
Really appriciate the help!Statistics Answershttps://www.mathhomeworkanswers.org/112920/subtracting-standard-deviationsFri, 08 Nov 2013 21:46:49 +0000mean-variance approach
https://www.mathhomeworkanswers.org/111420/mean-variance-approach
what is mean-variance approach, its equation, what is risk free rate, its equation, how is it used and why is it used.Other Math Topicshttps://www.mathhomeworkanswers.org/111420/mean-variance-approachMon, 28 Oct 2013 19:01:14 +0000find the standard deviation for the set of ungrouped sample data. 1,1,2,3,3,4,4,4,5,5
https://www.mathhomeworkanswers.org/108065/find-the-standard-deviation-for-the-set-ungrouped-sample-data
standard deviationAlgebra 1 Answershttps://www.mathhomeworkanswers.org/108065/find-the-standard-deviation-for-the-set-ungrouped-sample-dataSat, 05 Oct 2013 11:46:42 +0000mean = 22.4 the standard dev. =1.5 what is the chance between 25.4 and 26.9 years.
https://www.mathhomeworkanswers.org/104226/mean-the-standard-dev-what-the-chance-between-25-and-26-years
The lifespans of tigers in a particular zoo are normally distributed. The average tiger lives 22.4 years; the standard deviation is 1.5 years. Estimate the probability of a tiger living between 25.4 and 26.9 years.Statistics Answershttps://www.mathhomeworkanswers.org/104226/mean-the-standard-dev-what-the-chance-between-25-and-26-yearsThu, 12 Sep 2013 16:52:47 +0000exam with nl distribution- mean of 531, standard deviation 74, what score needed for top 10%?
https://www.mathhomeworkanswers.org/102558/exam-with-distribution-standard-deviation-what-score-needed
Stats question that I cannot figure out! Help!Statistics Answershttps://www.mathhomeworkanswers.org/102558/exam-with-distribution-standard-deviation-what-score-neededWed, 04 Sep 2013 20:53:33 +0000What is the value of SS (sum of squared deviations) for the following sample?
https://www.mathhomeworkanswers.org/94250/what-value-sum-squared-deviations-for-the-following-sample
<p>
What is the value of SS (sum of squared deviations) for the following sample?</p>
<p>
</p>
<table border="0" cellpadding="0" cellspacing="0">
<tbody>
<tr>
<td style="width: 38px">
<p>
</p>
</td>
<td style="width: 96px">
<p>
Sample:</p>
</td>
<td style="width: 442px">
<p>
2, 3, 4, 7</p>
<p>
</p>
</td>
</tr>
</tbody>
</table>
<p>
</p>Statistics Answershttps://www.mathhomeworkanswers.org/94250/what-value-sum-squared-deviations-for-the-following-sampleSun, 30 Jun 2013 20:15:21 +000018, 13, 3, 10, 12 what is the range, mean variance, and standard deviation?
https://www.mathhomeworkanswers.org/93652/18-13-what-is-the-range-mean-variance-and-standard-deviation
i need the answer to this questionStatistics Answershttps://www.mathhomeworkanswers.org/93652/18-13-what-is-the-range-mean-variance-and-standard-deviationWed, 26 Jun 2013 18:45:00 +000076 82 73 93 91 81 79 86 84
https://www.mathhomeworkanswers.org/92823/76-82-73-93-91-81-79-86-84
finding standard deviationAlgebra 1 Answershttps://www.mathhomeworkanswers.org/92823/76-82-73-93-91-81-79-86-84Fri, 21 Jun 2013 23:08:15 +0000what's the standard deviation of 1,1,5,5,8?
https://www.mathhomeworkanswers.org/92310/whats-the-standard-deviation-of-1-1-5-5-8
finding the standard deviationAlgebra 1 Answershttps://www.mathhomeworkanswers.org/92310/whats-the-standard-deviation-of-1-1-5-5-8Wed, 19 Jun 2013 00:06:32 +0000What is the variance of 3 16 9 12 8 10 4 1 0 7
https://www.mathhomeworkanswers.org/91667/what-is-the-variance-of-3-16-9-12-8-10-4-1-0-7
How do you compute the answerStatistics Answershttps://www.mathhomeworkanswers.org/91667/what-is-the-variance-of-3-16-9-12-8-10-4-1-0-7Fri, 14 Jun 2013 19:20:52 +0000the mean height of this sample is between 29.5 inches and 31.5 inches
https://www.mathhomeworkanswers.org/91170/the-mean-height-of-this-sample-is-between-inches-and-31-inches
The heights of 12 month -old boys are approximately normally distributed with a mean of 29.8 inches and a standard deviation of 1.2 inches A sample of thirty six 12 month- old boys was taken. Find the probability of each of the of the following:Statistics Answershttps://www.mathhomeworkanswers.org/91170/the-mean-height-of-this-sample-is-between-inches-and-31-inchesWed, 12 Jun 2013 04:28:33 +0000Waiting in line
https://www.mathhomeworkanswers.org/90473/waiting-in-line
<p>
A Wendy's manager performed a study to determine a probability distribution for the number of people, <em>X.</em></p>
<p>
a) Verify that this is a discrete probability distribution.</p>
<p>
c) Compute and interpret the mean of the random variable <em>X.</em></p>
<p>
d) Compute the standard deviation of the random variable <em>X.</em></p>
<p>
e) What is the probability that eight people are waiting in line for lunch?</p>
<p>
0(0.011)+1(0.035)+2(0.089)+3(0.150)+4(0.186)+5(0.172)+6(0.132)+7(0.098)+8(0.063)+9(0.035)+10(0.019)+11(0.004)+12(0.006)</p>Statistics Answershttps://www.mathhomeworkanswers.org/90473/waiting-in-lineSat, 08 Jun 2013 01:35:51 +0000how do I get the Sample Standard Deviation of 167, 211, 187, 176, 170, 158, 198, 218, 145, 232
https://www.mathhomeworkanswers.org/89587/sample-standard-deviation-167-187-176-170-158-198-218-145-232
How do I find the Sample Standard Deviation of 167, 211, 187, 176, 170, 158, 198, 218, 145, 232,Statistics Answershttps://www.mathhomeworkanswers.org/89587/sample-standard-deviation-167-187-176-170-158-198-218-145-232Tue, 04 Jun 2013 00:28:25 +0000whats the standard deviation of 10 15 17 25 10 25
https://www.mathhomeworkanswers.org/89353/whats-the-standard-deviation-of-10-15-17-25-10-25
Please help me!Algebra 2 Answershttps://www.mathhomeworkanswers.org/89353/whats-the-standard-deviation-of-10-15-17-25-10-25Sun, 02 Jun 2013 22:51:46 +0000if the mean is 9.78 and the standard deviation is 20.29 what is the deviation of 0?
https://www.mathhomeworkanswers.org/88601/the-mean-and-the-standard-deviation-what-is-the-deviation-of
if the mean is 9.78 and the standard deviation is 20.29 what is the deviation of 0?Word Problem Answershttps://www.mathhomeworkanswers.org/88601/the-mean-and-the-standard-deviation-what-is-the-deviation-ofThu, 30 May 2013 00:13:40 +0000find the standard deviation of criterion variable
https://www.mathhomeworkanswers.org/88247/find-the-standard-deviation-of-criterion-variable
how to find the standard deviation of criterion variable<br />
<br />
2,2,5,3<br />
<br />
8,8,5,4Statistics Answershttps://www.mathhomeworkanswers.org/88247/find-the-standard-deviation-of-criterion-variableTue, 28 May 2013 16:02:07 +0000find the variance and standard deviation for 7,8,4,10,6,10
https://www.mathhomeworkanswers.org/88223/find-the-variance-and-standard-deviation-for-7-8-4-10-6-10
Please answer with explanation of how to find the answerAlgebra 2 Answershttps://www.mathhomeworkanswers.org/88223/find-the-variance-and-standard-deviation-for-7-8-4-10-6-10Tue, 28 May 2013 11:39:00 +0000how do I find the percent of data within one standard deviation of the mean?
https://www.mathhomeworkanswers.org/87841/how-find-percent-data-within-one-standard-deviation-the-mean
If the mean is 10 and 15.59 is one standard deviation from the mean, what is the percent of thisStatistics Answershttps://www.mathhomeworkanswers.org/87841/how-find-percent-data-within-one-standard-deviation-the-meanSat, 25 May 2013 20:45:28 +0000if 62=511 and 20=103 then 24=what
https://www.mathhomeworkanswers.org/87434/if-62-511-and-20-103-then-24-what
if 62=511 and 20=103 then 24=what?Statistics Answershttps://www.mathhomeworkanswers.org/87434/if-62-511-and-20-103-then-24-whatThu, 23 May 2013 12:13:50 +0000