Question
In: Statistics and Probability
The following data sets represent simple random samples from a population whose mean is 100. Complete...
The following data sets represent simple random samples from a population whose mean is 100. Complete parts (a) through (e) below. Full data set Data Set I 106 124 88 126 89 71 74 110 Data Set II 106 124 88 126 89 71 74 110 88 91 109 83 113 118 94 124 97 85 80 104 Data Set III 106 124 88 126 89 71 74 110 88 91 109 83 113 118 94 124 97 85 80 104 87 112 117 89 103 81 86 107 93 113 (a) Compute the sample mean of each data set. Calculate the sample mean for data set I. x overbarequals nothing (Type an integer or a decimal.) Calculate the sample mean for data set II. x overbarequals nothing (Type an integer or a decimal.) Calculate the sample mean for data set III. x overbarequals nothing (Round to three decimal places as needed.) (b) For each data set, construct a 95% confidene
Solutions
Expert Solution
Sample mean:
Formula Ref:
95% Confidence interval: DAta set I
95% CI:
95% CI for Data set II:
95% CI for Data set III:
orchestra answered 1 year agoRelated Solutions
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a) If random samples of size 12 are drawn from a population with mean 7 and...
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x
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46
45
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45
46
46
y
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77
75
86
83
71
76
77
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