The Width of a Confidence Interval Will Be

question 78

Multiple Choice

The width of a confidence interval will be:

• A)Narrower for 99 percent confidence than 95 percent confidence.
• B)Wider for a sample size of 100 than for a sample size of 50.
• C)Narrower for 90 percent confidence than 95 percent confidence.
• D)Wider when the sample standard deviation (s)is small than when s is large.

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