Question: 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

Using the frequency 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

2.20 195 2.15 2.08 85 92 2.23 2.19 98 2.07 2.24 2.31 196 2.30 2.27 .89

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