As an alternative to flextime, many companies allow employees to do some of their work at home. Individuals in a random sample of 300 workers were classified according to salary and number of workdays per week spent at home.

a. Do the data present sufficient evidence to indicate that salary is dependent on the number of workdays spent at home? Test using α = .05.
b. Use Table 5 in Appendix I to approximate the
p-value for this test of hypothesis. Does the p-value confirm your conclusions from part a?

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Workdays at Home per Week At Least One, Than One but Not All All at Home Less Salary Under $25,000 38 $25,000-$49,999 54 $50,000-$74,999 35 Above $75,000 33 16 26 14 12 29 12