Twenty-eight fast-food restaurant hourly employees were surveyed to see how many hours they worked per week, on average. The following data was obtained: 34, 11, 36, 21, 31, 33, 33, 35, 36, 23, 17, 31, 19, 45, 41, 40, 32, 34, 33, 33, 30, 31, 38, 35, 37, 20, 16, 25 Construct a 87% confidence interval for the mean number of hours per week that the population of fast-food restaurant employees work.

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Twenty-eight fast-food restaurant hourly employees were surveyed to see how many hours they
worked per week, on average. The following data was obtained:
34, 11, 36, 21, 31, 33, 33, 35, 36, 23, 17, 31, 19, 45, 41, 40, 32, 34, 33, 33, 30, 31, 38, 35, 37, 20, 16, 25
Construct a 87% confidence interval for the mean number of hours per week that the population of
fast-food restaurant employees work.
T = 30.357143
S =
8.287493
0.065
ts
3.00708
Margine of Error: E
We are 87% confident that fast-food restaurant hourly employees, on average, work between
X hours and 33.36
X hours per week.
27.35
Transcribed Image Text:Twenty-eight fast-food restaurant hourly employees were surveyed to see how many hours they worked per week, on average. The following data was obtained: 34, 11, 36, 21, 31, 33, 33, 35, 36, 23, 17, 31, 19, 45, 41, 40, 32, 34, 33, 33, 30, 31, 38, 35, 37, 20, 16, 25 Construct a 87% confidence interval for the mean number of hours per week that the population of fast-food restaurant employees work. T = 30.357143 S = 8.287493 0.065 ts 3.00708 Margine of Error: E We are 87% confident that fast-food restaurant hourly employees, on average, work between X hours and 33.36 X hours per week. 27.35
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