Question

In January 2010 the nes for speeding tickets went up in the city of Winnipeg. If you
are caught going over the posted limit, you will be charged a ne of $150, plus $6.90 per
km/h over the speed limit. The following are the number of kilometres over the posted
limit from a sample of seven drivers.
5 12 7 14 18 9 11
(a) What are the mean and standard deviation of the number of kilomometres over the
posted limit from the above sample?
(b) What are the mean and standard deviation of the nes for a speeding ticket?

Answer 1

from the 7 numbers yu sho:

sum=75, averaej=10.71429, median=11, big=18, small=5, raenj=13

sum av squares=119.42857

varians=17.06122

std deviashun=4.13052