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A Survey Asked 915 People How Many Times Per Week σx\sigma _ { x ^ { * } }

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Question 15
Multiple Choice
arrowQuestion 15arrow
Multiple Choice

A survey asked 915 people how many times per week they dine out at a restaurant. The results are presented in the following table.
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Consider the 915 people to be a population. Let X be the number of times per week a person dines out for a person sampled at random from this population.
Standard deviation σx\sigma _ { x ^ { * } }


A)2.1
B)1.5
C)1.9
D)2.2

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