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Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.8 6.1 11.5 11.1 11.1 13.5 6.2 7.7 7.1 12.3 13.6 13.7 ...... 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 supermarket during the store's busiest time are: 5.8 6.1 11.5 11.1 11.1 13.5 6.2 7.7 7.1 12.3 13.6 13.7 ...... 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.)

Advanced Engineering Mathematics
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Checkout times. The checkout times (in minutes) for 12 randomly selected customers at a large supermarket during the store's busiest time are: 5.8 6.1 11.5 11.1 11.1 13.5 6.2 7.7 7.1 12.3 13.6 13.7 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.) ncer Due A ent As DAY DEC
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: 5.8 6.1 11.5 11.1 11.1 13.5 6.2 7.7 7.1 12.3 13.6 13.7 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.) ncer Due A ent As DAY DEC
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