Question: Consider the grouped sample data to the right. a. Calculate the mean of this sample data. b. Calculate the standard deviation of this sample data.

Consider the grouped sample data to the right.

a. Calculate the mean of this sample data.

b. Calculate the standard deviation of this sample data.

Values Frequency

0 to under 2 13

2 to under 4 22

4 to under 6 28

6 to under 8 62

All the information is there.

Thank you

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