A sample of the amounts paid for parking at the Azikov parking garage last weekend is depicted below, use the information to answer the questions that follow.
Amount 0.30 0.60 0.90 1.20 and 1.50 1.80 and 2.10 2.40
paid and and and under1.50 and under2.10 and and
2.
under under under
under
under
under
0.60 0.90 1.20
1.80
2.40 2.70
Frequency 2 7
15 28
14
9
2
NB: Use two decimal places
1 Estimate the mean amount paid
i Calculate the sample standard deviation and interpret
Calculate the sample coefficient of variation for the distribution