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Using the frequency distribution in Exercise 3 53 determine the approximate

Using the frequency distribution in Exercise 3.53, determine the approximate mean and standard deviation for the underlying data.

A computer and statistical software will be desirable and useful. However, any necessary calculations can also be done with the aid of a pocket calculator. For readers using statistical software, keep in mind the file-naming key— for example, the data for Exercise 3.57 will be in data file XR03057.

In exercise

A computer and statistical software will be desirable and useful. However, any necessary calculations can also be done with the aid of a pocket calculator. For readers using statistical software, keep in mind the file-naming key— for example, the data for Exercise 3.57 will be in data file XR03057.

In exercise

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