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.
7.12 Significance test for the average time to start a business?
Consider the sample of time data presented in Figure 1.30 (page 54). Would you feel comfortable applying the procedures in this case? Explain your answer.