Question

Refer to the information in the previous exercise. Find the mean and standard deviation of the total number of complaints received in a week. Having reached this point, you are concerned that the numbers of food and service complaints may not be independent of each other. However, you have no information about the nature of their dependence.
What can you now say about the mean and standard deviation of the total number of complaints received in a week?


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  • CreatedJuly 07, 2015
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