A 95% Confidence Interval Was Computed Around a Sample Mean

question 18

Multiple Choice

A 95% confidence interval was computed around a sample mean of 10.The resulting confidence interval is (5,11) .Does this appear to be a valid confidence interval?

• A)Yes,the confidence interval includes the sample mean.
• B)Yes,the confidence interval is small enough to be a 95% confidence interval.
• C)No,the confidence interval should be symmetric around the sample mean.
• D)No,the confidence interval cannot contain the sample mean.

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