A sales company in Montreal wants to test whether a 4-day work week improves employees' productivity. To evaluate the effectiveness of this program, a random

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A sales company in Montreal wants to test whether a 4-day work week improves
employees' productivity. To evaluate the effectiveness of this program, a random
sample of n=40 employees are required to participate in the program. At the end of
the year, employees' productivity is evaluated by how much money they made in
sales. The average sales of the sample is M = 75. For the general population of sales
employees, the average sales form a normal distribution with a mean of μ = 72 and a
standard deviation of o = 8. What can you conclude after conducting a one-tailed
hypothesis test (α = .05).
Failure to reject the null hypothesis, the 4-day work week has no effect on
employees' productivity.
Rejection of the null hypothesis, the 4-day work week significantly improves
employees' productivity.
Rejection of the null hypothesis, the 4-day work week significantly worsens
employees' productivity.
Transcribed Image Text:A sales company in Montreal wants to test whether a 4-day work week improves employees' productivity. To evaluate the effectiveness of this program, a random sample of n=40 employees are required to participate in the program. At the end of the year, employees' productivity is evaluated by how much money they made in sales. The average sales of the sample is M = 75. For the general population of sales employees, the average sales form a normal distribution with a mean of μ = 72 and a standard deviation of o = 8. What can you conclude after conducting a one-tailed hypothesis test (α = .05). Failure to reject the null hypothesis, the 4-day work week has no effect on employees' productivity. Rejection of the null hypothesis, the 4-day work week significantly improves employees' productivity. Rejection of the null hypothesis, the 4-day work week significantly worsens employees' productivity.
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