Many employers are concerned about employees wasting time by surfing the and e friends during work hoursThe article Who Goofs Off 2 Hours DayMost Workers Survey Says summarized data from a large sample of workers Suppose that the CEO of a national marketing firmy wants to determine the difference in mean wasted time during an -hour workday for employees of her company at two different locationsEach person in a random sample of 10 employees from Location A ( population ) is asked about daily wasted at work (in minutes), and 10 employees from Location population 2) are asked the same question. Participants were quaranteed anonymity to obtain truthful responses Suppose the resulting data are as follows

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3. [1/4 Points] DETAILS PREVIOUS ANSWERS STATSQC1 16.18.004.DS.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Many employers are concerned about employees wasting time by surfing the Internet and e-mailing friends during work hours. The article "Who Goofs Off 2 Hours a Day? Most Workers, Survey Says" summarized data from a large sample of workers. Suppose that the CEO of a national marketing firm wants to determine the difference in mean wasted time during an 8-hour workday for employees of her company at two different locations. Each person in a random sample of 10 employees from Location A (population 1) is asked about daily wasted time at work (in minutes), and 10 employees from Location B (population 2) are asked the same question. Participants were guaranteed anonymity to obtain truthful responses Suppose the resulting data are as follows. Location A 09 133 137 106 112 134 108 124 149 76 Location 8 109 106 112 115 104 105 119 117 108 100 LA USE SALT (a) Calculate the point estimate for the difference in the population means. 7.3 (b) Determine the margin of error for the 90% confidence interval for the difference in population means. (Use a table or technology. Round your answer to three decimal places) x M-(t critical value) ny By (c) Find the 90% confidence interval. (Round your answers to three decimal places.) 3. [1/4 Points] DETAILS PREVIOUS ANSWERS STATSQC1 16.18.004.DS.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Many employers are concerned about employees wasting time by surfing the Internet and e-mailing friends during work hours. The article "Who Goofs Off 2 Hours a Day? Most Workers, Survey Says" summarized data from a large sample of workers. Suppose that the CEO of a national marketing firm wants to determine the difference in mean wasted time during an 8-hour workday for employees of her company at two different locations. Each person in a random sample of 10 employees from Location A (population 1) is asked about daily wasted time at work (in minutes), and 10 employees from Location B (population 2) are asked the same question. Participants were guaranteed anonymity to obtain truthful responses Suppose the resulting data are as follows. Location A 09 133 137 106 112 134 108 124 149 76 Location 8 109 106 112 115 104 105 119 117 108 100 LA USE SALT (a) Calculate the point estimate for the difference in the population means. 7.3 (b) Determine the margin of error for the 90% confidence interval for the difference in population means. (Use a table or technology. Round your answer to three decimal places) x M-(t critical value) ny By (c) Find the 90% confidence interval. (Round your answers to three decimal places.)

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Location A 8913313710611213410812414976 Location B 1091061121151041051191171081... View the full answer