The larger the confidence level used in constructing a confidence interval estimate of the population mean,the narrower the confidence interval.

Question

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The larger the confidence level used, the wider the interval; this is because a larger confidence level indicates a greater level of uncertainty and a need for a wider range of possible values. Conversely, a smaller confidence level would result in a narrower interval, as the acceptable range of values would be smaller.

The Larger the Confidence Level Used in Constructing a Confidence