Lunch breaks are often considered too short, and employees frequently develop a habit of stretching them.The manager
Question:
a. Show evidence that the normality assumptions are satisfied.
b. Find the 95% confidence interval for mean length of lunch breaks at Giant Mart.
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30 24 38 35 27 35 23 28 28 22 26 34 29 25 28 34 24 26 28 32 29 40
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