TEST OF HYPOTHESIS INVOLVING THE POPULATION MEAN 𝝁 WHEN THE VARIANCE IS UNKNOWN

[bunnypatotie]

1. You are working in a company facing attrition problems of the customer service representatives for the past five years. The company president proposed that if the attrition rate is at least 10 per month, then the salary scale, compensation package, and professional development programs for employees will be initiated. For this purpose, attrition rates for 20 months selected at random were considered and listed below. Assume that the data follow normality.

8 9 12 10 6 15 14 11 8 10 10 12 15 11 12 7 14 14 7 11
​

 

[topsquark]

1. You are working in a company facing attrition problems of the customer service representatives for the past five years. The company president proposed that if the attrition rate is at least 10 per month, then the salary scale, compensation package, and professional development programs for employees will be initiated. For this purpose, attrition rates for 20 months selected at random were considered and listed below. Assume that the data follow normality.

8 9 12 10 6 15 14 11 8 10 10 12 15 11 12 7 14 14 7 11
​

Why is this a poll? There should be an unambiguous answer. That's why you are asking, isn't it?

Please show us what you've been able to do with this so far.

-Dan