Question: 2.154 a. Find the mean of the data shown in the frequency distribution in Exercise 2.153. b. Find the variance for the data shown in

2.154

a. Find the mean of the data shown in the frequency distribution in Exercise 2.153.

b. Find the variance for the data shown in the frequency distribution in Exercise 2.153.

c. Find the standard deviation for the data shown in the frequency distribution in Exercise 2.153.

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