Examine the following sample data saved in the LM4_104 file.a. Construct a stem-and-leaf p...

Examine the following sample data saved in the LM4_104 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.