For Exercises 7.1 and 7.2, see page 360; for 7.3 and 7.4, see page 362; for 7.5 to 7.7, see page 365; for 7.8 and 7.9, see page 368; for 7.10 and 7.11, see page 371; and for 7.12 and 7.13, see page 372.
7.9 Using software to perform a significance test.
CASE 7.1 In Example 7.2 (page 360), we tested whether the average time per day of a student using a smartphone was different from the UK average. Use software to perform this test and obtain the exact -value.
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