Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supemarket during the store's busiest time are: 5.2 5.4 5.7 12.8 11.7 9.2 8.7 8.7 9.5 11.4 13.6 13.8 a. Find the mean of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.) b. Find the standard deviation of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.)
Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supemarket during the store's busiest time are: 5.2 5.4 5.7 12.8 11.7 9.2 8.7 8.7 9.5 11.4 13.6 13.8 a. Find the mean of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.) b. Find the standard deviation of the checkout times. mins (Type an integer or a decimal. Round to two decimal places.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Please do A and B
Transcribed Image Text:Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are:
5.7
12.8
5.4
5.2
8.7
8.7
9.2
11.7
13.6
13.8
11.4
9.5
a. Find the mean of the checkout times. mins
(Type an integer or a decimal. Round to two decimal places.)
b. Find the standard deviation of the checkout times.
mins
(Type an integer or a decimal, Round to two decimal places.)
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(a) The mean of the checkout times ...min
(b) The standard deviation of the checkout times ....min
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