Information about sample data

Reference no: EM13107512

You are concerned about wait times at the cash registers in the supermarket. You collect data and have a sample size of 10, which test would you use a Z or a T test and why? What is the major difference between a Z and a T test. (hint sample size and variability) :-) How would you explain this to someone who hasn't taken statistics?

Reference no: EM13107512

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