Examine the sample data in the next column.

L05062

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 QL and QU 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.

Transcribed Image Text:

5.9 5.3 1.6 7.4 8.6 3.2 2.1 4.0 7.3 8.4 5.9 6.7 4.5 6.3 6.0 9.7 3.5 3.1 4.3 3.3 8.4 4.6 8.2 6.5 1.1 5.0 9.4 6.4