Construct a 93% confidence interval for a sampling distribution that has a mean of 150,a standard deviation of 20, and a size of 16.141.25–158.777–93%140.25–159.75139.34–160.66
As the confidence level increases for the same sampling distribution, the confidenceinterval __________.
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In which of the following isTdistribution used?
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Construct a 93% confidence interval for a sampling distribution that has means of {4, 4,4, 4.2, 4.2, 4.3, 4.3, 4.3, 4.4, 4.4, 4.4, 4.4, 4.5, 4.5, 4.6, 4.7, 4.7, 4.7, 4.8, 4.8, 4.8, 4.9,4.9, 4.9, 4.9}.
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As the confidence interval increases for the same sampling distribution, the value of thecritical value __________.fluctuates between larger and smallerremains the sameincreasesdecreases in size