Question

STA 2023- Elementary Statistics Alyson Macdonald ? I 4/3/188:51 PM Quiz: Quiz 7 Time Remaining: 01:57:45 Submit Quiz This Question: 1 pt 13 of 16 10 complete) This Quiz: 16 pts possible The following data sets represent simple random samples from a population whose mean is 100. Complete (a) Compute the sample mean of each data set parts (a) through (e) below Data Set Data Set lI Calculate he sample mean for data set L Full data set 74 76 Type an integer or a decimal ) Calculate sample mean for data set 11. 116 99 122 105 Type an integer or a decimal.) Data Set I 74 116 113 Calculate he sample mean for data set ll, Round to three decimal places as needed) (b) For each data set construct a 95% confidence inmal about te populaton mean. A96% fidence interval for data set lis (Use ascending order. Round to two decimal places as needed) A95% confidence interval for data set ll is (Use ascending onder. Round to two decimal places as needed.) A95% confidence inerval for data set (Use ascending order. Round to two decimal places as needed.) c) What impact does the sample size n have on the width of the intervar? OD Click to select your answerls).

Answer 1

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