Question: The values for a data set vary from 11.6 to 97.8. a. If these values are grouped into nine classes, indicate appropriate class boundaries. b.

The values for a data set vary from 11.6 to 97.8.

a. If these values are grouped into nine classes, indicate appropriate class boundaries.

b. What class width did you choose?

c. What are the corresponding class mid-points?

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