I'm not understanding how to construct a 95% confidence interval for data set II. I'm trying to find the lower and upper bound.

Score: 0.17 of 1 pt 8 of 15 (15 complete) HW Score: 87.54%, 13. 9.2.45 Question H + The following data sets represent simple random samples from a population whose mean is 100. Complete parts (a) through (e) below. Calculate the sample mean for data set II. Data Set I Full data set X = 99.25 106 120 92 125 (Type an integer or a decimal.) 89 77 80 110 Data Set II Calculate the sample mean for data set III. 106 120 92 125 89 77 80 86 88 110 110 86 114 112 99 x = 99.267 99 83 120 85 104 (Round to three decimal places as needed.) Data Set Ill 106 120 92 125 89 77 (b) For each data set, construct a 95% confidence interval about the population mean. 86 80 88 110 110 86 114 112 99 99 120 83 85 Construct a 95% confidence interval for data set I. 104 90 110 101 1 18 80 89 88 109 90 118 The lower bound is 84.80 The upper bound is 114.95. (Round to two decimal places as needed.) Construct a 95% confidence interval for data set II. The lower bound is The upper bound is (Round to two decimal places as needed.) Enter your answer in the edit fields and then click Check Answer. 7 parts remaining Clear All Check