Problem

Examine the sample data in the next column. a. Construct a stem-and-leaf plot to as...

Examine the sample data in the next column.

a. Construct a stem-and-leaf plot to assess whether the data are from an approximately normal distribution.

b. Compute s for the sample data.

c. Find the values of Q_L and Q_U and the value of s from part b to assess whether the data come from an approximately normal distribution.

d. Generate a normal probability plot for the data, and use it to assess whether the data are approximately normal.

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Solutions For Problems in Chapter 4