Business StatisticsTU Board 2022
A random sample of 12 records revealed the following information concerning the number of machines serviced and the time (in minutes) to complete the routine service call: No. of…
8A random sample of 12 records revealed the following information concerning the number of machines serviced and the time (in minutes) to complete the routine service call: No. of machines1189107684105512Service time (minutes)11560809055657033955040110 a) Calculate coefficient of correlation and interpret. b) Estimate the regression equation. If there are six machines, how many minutes should expect a routine service call to require?
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