20.
The two box-and-whisker plots below show the scores on a math exam for two classes. What do the interquartile ranges tell you about the two classes?
(1 point) (0 pts) Class A has more consistent scores.
(1 pt) Class B has more consistent scores.
(0 pts) Overall class A performed better than class B.
(0 pts) The lowest score was in class B.
1 /1 point
21.
Is the following data set qualitative or quantitative?
the numbers of hours spent commuting to work by the employees of a company (1 point) (0 pts) qualitative
(1 pt) quantitative
1 /1 point
The item below has been reviewed and is scheduled to be updated. All students will receive full credit for any response to the following.
22.
Identify the sampling method.
You want to determine the number of text messages students at your school send in a month. You randomly ask students in each of your classes. (1 point) (1 pt) random
(0 pts) systematic
(0 pts) stratified
(0 pts) none of these
1 /1 point
23.
A mathematics journal has accepted 14 articles for publication. However, due to budgetary restraints only 7 articles can be published this month. How many specific ways can the journal editor assemble 7 of the 14 articles for publication? (1 point) (0 pts) 14
(0 pts) 3,432
(0 pts) 98
(1 pt) 17,297,280
1 /1 point
24.
Your English teacher has decided to randomly assign poems for the class to read. The syllabus includes four poems by Shakespeare, five poems by Coleridge, two poems by Tennyson, and two poems by Lord Byron. What is the probability that you will be assigned a poem by Coleridge, and then a poem by Lord Byron? (1 point) (0 pts)
(0 pts)
(1 pt)
(0 pts)
1 /1 point
The final score is 24/24 (100%).