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Question 1 of 4

25.0 Points

Solve Problem and Applications:Solve Problem and Applications:ch 5- prob1 (use excel file Call Center Data)

 5-1: 1. Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank’s call centers in the Excel file Call Center Data . In writing an article about call center working conditions, a reporter has claimed that the average tenure is no more than two years.

As you formulate and test a hypothesis using these data, how should the null and alternative hypothesis statements be written?

  A.Ho: The average employee tenure is < 2.0

 H1: The average employee tenure is ≥ 2.0 

  B.Ho: The average employee tenure is ≥ 2.0

 H1: The average employee tenure is < 2.0 

  C.Ho: The average employee tenure is ≥ 2.0

 H1: The average employee tenure is > 2.0 

  D.Ho: The average employee tenure is > 2.0

H1: The average employee tenure is < 2.0 

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 Question 2 of 4

25.0 Points

Solve Problem and Applications:Solve Problem and Applications:ch 5- prob1 (use excel file Call Center Data)

 5-1: 1. Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank’s call centers in the Excel file Call Center Data . In writing an article about call center working conditions, a reporter has claimed that the average tenure is no more than two years.

As you formulate and test a hypothesis using these data, what is the value of the t Test Statistic?

  A.0.5 

  B.1.89 

  C.- 0.84 

  D.0.0 

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Question 3 of 4

25.0 Points

Solve Problem and Applications:Solve Problem and Applications:ch 5- prob1 (use excel file Call Center Data)

5-1: 1. Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank’s call centers in the Excel file Call Center Data . In writing an article about call center working conditions, a reporter has claimed that the average tenure is no more than two years.

As you formulate and test a hypothesis using these data, what is the Critical Value?

  A.-1.667 

  B.2.0 

  C.-1.5 

  D.0.0 

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Question 4 of 4

25.0 Points

Solve Problem and Applications:Solve Problem and Applications:ch 5- prob1 (use excel file Call Center Data)

 5-1: 1. Call centers typically have high turnover. The director of human resources for a large bank has compiled data on about 70 former employees at one of the bank’s call centers in the Excel file Call Center Data . In writing an article about call center working conditions, a reporter has claimed that the average tenure is no more than two years.

As you formulate and test a hypothesis using these data, what is your final conclusion?

  A.Reject the null hypothesis 

  B.Do not reject the null hypothesis 

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