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题目
MGS*2150*W07 final- Requires Respondus LockDown Browser
单项选择题
If we change a 95% confidence interval estimate to a 90% confidence interval estimate, we can expect the _____.
选项
A.sample size to increase
B.width of the confidence interval to remain the same
C.width of the confidence interval to increase
D.width of the confidence interval to decrease
查看解析
标准答案
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思路分析
In statistical inference, the width of a confidence interval is influenced by the confidence level and the variability of the estimate.
Option 1: 'sample size to increase' — While increasing sample size does tend to shrink the interval width, this question i......Login to view full explanation登录即可查看完整答案
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