For Exercises 8.1 and 8.2, see page 419; for 8.3 and 8.4, see page 421; for 8.5 to 8.7, see page 423; for 8.8 to 8.11, see pages 425426; for 8.12, see page 426; for 8.13 and 8.14, see page 429; and for 8.15 and 8.16, see page 431.

Question 8.10

8.10 The effect of

In Example 8.4, suppose that your product provided better UVA and UVB protection for 16 of the 20 subjects. Perform the significance test and summarize the results.