Communication Times According to the Bureau of Labor
Chapter 9, Problem 3(choose chapter or problem)
Communication Times According to the Bureau of Labor StatisticsAmerican Time Use Survey (ATUS), married persons spend an average of 8 minutes per day on phone calls, mail, and e-mail, while single persons spend an average of 14 minutes per day on these same tasks. Based on the following information, is there sufficient evidence to conclude that single persons spend, on average, a greater time each day communicating? Use the 0.05 level of significance. (92) Single Married Sample size 26 20 Sample mean 16.7 minutes 12.5 minutes Sample variance 8.41 10.24 Source: Time magazine.
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