A Statistics Teacher Started Class One Day by Drawing the Names

question 38

Multiple Choice

A statistics teacher started class one day by drawing the names of 10 students out of a hat and asked them to do as many pushups as they could. The 10 randomly selected students averaged 15 pushups per person with a standard deviation of 9 pushups. Suppose the distribution of the population of number of pushups that can be done is approximately normal. What is the standard error of the mean?

• A)0.900
• B)2.876
• C)3.061
• D)4.743

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