A drive-through fast-food chain obtained the following pick-up times (number of minutes between the time an order

Question:

A drive-through fast-food chain obtained the following pick-up times (number of minutes between the time an order is placed and the time the order is picked up at the drive-through window). A random sample of 30 orders along with the corresponding duration is given in the following table:

a. What is the approximate mean pick-up time?
b. What is the approximate variance and standard deviation?

Fantastic news! We've Found the answer you've been seeking!

Step by Step Answer:

Related Book For  book-img-for-question

Statistics For Business And Economics

ISBN: 9781292315034

9th Global Edition

Authors: Paul Newbold, William Carlson, Betty Thorne

Question Posted: