Access the Call Center Waiting Time file. Each row in the database corresponds to a different...

   

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Access the Call Center Waiting Time file. Each row in the database corresponds to a different call. The column variables are as follows: ProtocolType; indicates protocol type, either PT or PE QueueTime; Time in Queue, in seconds • ServiceTime: Service Time, in seconds Perform a test of hypothesis to determine whether the average TIQ is lower than the industry standard of 2.5 minutes (150 seconds). Use a significance level of a=0.05. Evaluate if the company should allocate more resources to improve its average TIQ. 1 Column1 3 Mean 147.9223417 4 Standard Error 3.372181267 5 Median 105 6. 6 Mode 55 7 Standard Deviat 137.9712625 8 Sample Variance 9 Kurtosis 19036.06928 8.189285877 10 Skewness 2.647744553 11 Range 12 Minimum 13 Мaximum 830 15 845 14 Sum 247622 15 Count 1674 16 Access the Call Center Waiting Time file. Each row in the database corresponds to a different call. The column variables are as follows: ProtocolType; indicates protocol type, either PT or PE QueueTime; Time in Queue, in seconds • ServiceTime: Service Time, in seconds Perform a test of hypothesis to determine whether the average TIQ is lower than the industry standard of 2.5 minutes (150 seconds). Use a significance level of a=0.05. Evaluate if the company should allocate more resources to improve its average TIQ. 1 Column1 3 Mean 147.9223417 4 Standard Error 3.372181267 5 Median 105 6. 6 Mode 55 7 Standard Deviat 137.9712625 8 Sample Variance 9 Kurtosis 19036.06928 8.189285877 10 Skewness 2.647744553 11 Range 12 Minimum 13 Мaximum 830 15 845 14 Sum 247622 15 Count 1674 16