Telephone Digits Polling organizations typically generate the last digits of telephone numbers so… 1 answer below »

Telephone Digits Polling organizations typically generate the last digits of telephone numbers so that people with unlisted numbers are included. Listed below are digits randomly generated by STATDISK. Such generated digits are from a population with a standard deviation of 2.87.a. Use the methods of this section to construct a 95% confidence interval estimate of the mean of all such generated digits.b. Are the requirements for the methods of this section all satisfied? Does the confidence interval from part (a) serve as a good estimate of the population mean? Explain.1 1 7 0 7 4 5 1 7 6

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