Examine the following sample data saved in the LM5_60 file. a. Construct a stem-and-leaf plot to assess

Question:

Examine the following sample data saved in the LM5_60 file.

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.