Suppose you want to compare waiting times, from getting in line to receiving the order, at two
Question:
Suppose you want to compare waiting times, from getting in line to receiving the order, at two coffee bars on campus.
a. Describe what might be wrong with looking at the first 40 people who come to each of the coffee bars on a Tuesday morning.
b. Describe how you might find a more representative sample of customers at these coffee bars.
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a If one coffee bar opens earlier than the other the lines may be di...View the full answer
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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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