SITUATION: 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...

Perform a appropriate tests of hypotheses involving the population mean μ and population proportion to make inferences in real-life problems in different disciplines.Sstatistical report where each step of the hypothesis testing, results, and conclusion are present.

Extracted text: SITUATION: 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