Question: A study of smartphone users shows that 68 of smartphone

A study of smartphone users shows that 68% of smartphone use occurs at home and a user spends an average of 410 minutes per month using a smartphone to interact with other people (Harvard Business Review, January–February 2013). Consider the following data indicating the number of minutes in a month spent interacting with others via a smartphone for a sample of 50 smartphone users.

a. What is the mean number of minutes spent interacting with others for this sample? How does it compare to the mean reported in the study?
b. What is the standard deviation for this sample?
c. Are there any outliers in thissample?

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  • CreatedFebruary 16, 2015
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