Examine the following sample data saved in the LM4_103 file.a. Construct a stem-and-leaf p...

Examine the following sample data saved in the LM4_103 file.

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

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b. Find the values of QL, QU, and s for the sample data.

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c. Use the results from part

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