Reconsider the drive-through times (in seconds) for a Wendys and a Hot n Now restaurant from the
Question:
a. The means for the two sets of times are 93.70 and 203.00 seconds. Which belongs to which restaurant?
b. The standard deviations for the two sets of times are 46.70 and 89.60 seconds. Which belongs to which restaurant?
Data from previous question
Students compared drive-through times at a couple of fast food restaurants in their town. They kept track of the time (in seconds) for people to go through the drive-through at Wendys* and Hot n Now* from the time of ordering until they exited the pick-up window during lunch time. The results are shown in the 6.1.21 histograms.
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Related Book For
Introduction To Statistical Investigations
ISBN: 9781118172148
1st Edition
Authors: Beth L.Chance, George W.Cobb, Allan J.Rossman Nathan Tintle, Todd Swanson Soma Roy
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