Do employees perform better at work with music playing. The music was turned on

Question

Do employees perform better at work with music playing. The music was turned on during the working hours of a business with 45 employees. There productivity level averaged 5.2 with a population standard deviation of 2.4. On a different day the music was turned off and there were 40 workers. The workers' productivity level averaged 4.8 with a population standard deviation of 1.2. What can we conclude at the 0.05 level of significance, if computed p-value is 0.125? A. Productivity is higher with music is on. B. Productivity is lower with music is on. C. Productivity is almost the same when music is on or off. D. Productivity is significantly different based o

Explanation / Answer

p-value = 0.125 > 0.05

we fail to reject the null hypothesis

C. Productivity is almost the same when music is on or off.  

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