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Please help me with this question History Bookmarks Window Help 67% " " Sun Oct courses.aplia.com Aplia: Student Question Chegg Study Order Contirmation I Chegg.com Graded Assignment | Read Chapter 9 | Back to Assignment Due Wednesday 11.0117 at 0945 PM Attempts Average: 16 AaAa 2. Notation for hypothesis tests about a population mean time over the course of a workday Suppose you are conducting a study about how the average U.S. worker spends You are interested in how much time workers spend per day on personal calls, e-mails, and social networking websites, as well as how much time they spend socializing with coworkers versus actualy working The most recent census provides data for the entire population of U.S. workers on variables such as travel time to work, time spent at work, and break time at work. The census, however, does not include data on the variables you are interested in, so you obtain a random sample of 94 full-time workers in the United States and ask about personal calls, e-mails, and so forth. You are curious about how your sample compares with the census, workers the same questions about work that are asked in the census. so you also ask the Suppose the mean travel time to work from the most recent census is 23.9 minutes, with a standard deviation of 12.8 minutes. Your sample of 94 U.S. workers provides a mean travel time to work of 26.8 minutes with a sample standard deviation of 11.2 minutes. Organize this information by completing the following table. M- Save & 2013 Cengage Leaming excet oted All rng F7 FB FS

Explanation / Answer

See below:

= 23.9

= 12.8

M = 12.8/94 = 1.32

M = 26.8

s = 11.2

sM = 11.2/94 = 1.155

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