MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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The following data sets represent simple random samples from a population whose mean is 100. Complete parts (a) through (e) below.
Full data setn
Data Set I
106
122
89
128
89
71
79
111
Data Set II
106
122
89
128
89
71
79
111
124
84
85
114
87
112
116
96
100
85
85
104
Data Set III
106
122
89
128
89
71
79
111
84
85
114
87
112
116
96
124
100
85
85
104
86
111
118
93
103
77
83
104
92
118
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Transcribed Image Text:Previous Que The following data sets represent simple random samples from a population whose mean is 100. Complete parts (a) through (e) below. Full data setn Data Set I 106 122 89 128 89 71 79 111 Data Set II 106 122 89 128 89 71 79 111 124 84 85 114 87 112 116 96 100 85 85 104 Data Set III 106 122 89 128 89 71 79 111 84 85 114 87 112 116 96 124 100 85 85 104 86 111 118 93 103 77 83 104 92 118
(d) Suppose that the data value 106 was accidentally recorded as 061. For each data set, construct a 95% confidence interval using the misentered data.
Construct a 95% confidence interval for data set I.
The lower bound is
The upper bound is
(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.)
Construct a 95% confidence interval for data set III.
The lower bound is
The upper bound is
(Round to two decimal places as needed.)
(e) Which intervals, if any, still capture the population mean, 100?
A. Only set I
B. Sets I and II
C. Sets Il and II
D. Only set Il
E. Sets I and II
F. Only set III
G. All of the sets
H. None of the sets
Which of the following is the concept illustrated with the misentered data?
A. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence
interval is more robust.
B. The procedure for constructing the confidence interval is not robust. The smaller the sample size, the less resistant the mean. Therefore, the
confidence interval is more robust.
C. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence
interval is less robust.
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Transcribed Image Text:(d) Suppose that the data value 106 was accidentally recorded as 061. For each data set, construct a 95% confidence interval using the misentered data. Construct a 95% confidence interval for data set I. The lower bound is The upper bound is (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.) Construct a 95% confidence interval for data set III. The lower bound is The upper bound is (Round to two decimal places as needed.) (e) Which intervals, if any, still capture the population mean, 100? A. Only set I B. Sets I and II C. Sets Il and II D. Only set Il E. Sets I and II F. Only set III G. All of the sets H. None of the sets Which of the following is the concept illustrated with the misentered data? A. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence interval is more robust. B. The procedure for constructing the confidence interval is not robust. The smaller the sample size, the less resistant the mean. Therefore, the confidence interval is more robust. C. The procedure for constructing the confidence interval is robust. The larger the sample size, the more resistant the mean. Therefore, the confidence interval is less robust.
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