A sample of 16 males participated in a sleep experiment in which the percentage of each participant's total sleeping time spent in a certain stage of sleep was recorded. The variance computed from the sample data was 2.25. The 95 percent confidence interval for standard deviation of sleeping time is: O(1.108, 2.322) ) (1.133, 2.218)

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A sample of 16 males participated in a sleep experiment in which the percentage of each
participant's total sleeping time spent in a certain stage of sleep was recorded. The
variance computed from the sample data was 2.25. The 95 percent confidence interval for
standard deviation of sleeping time is:
O (1.108 , 2.322)
O (1.133, 2.218)
O (1.063 , 2.547)
O (1.211, 2.3891)
Transcribed Image Text:A sample of 16 males participated in a sleep experiment in which the percentage of each participant's total sleeping time spent in a certain stage of sleep was recorded. The variance computed from the sample data was 2.25. The 95 percent confidence interval for standard deviation of sleeping time is: O (1.108 , 2.322) O (1.133, 2.218) O (1.063 , 2.547) O (1.211, 2.3891)
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