Mathematics · Statistics and Probability

The number of observations required in an operation to produce results having a specified accuracy:

Verified Solution4 OptionsUpdated: October 2026👁️1 View

1Increases with the range of observed values, namely the difference between the maximum and minimum values
2Increases with the possible magnitude of the average expected value
3Varies directly with the square of the confidence interval
4Varies inversely with the square of the confidence interval✓

Correct answer

Varies inversely with the square of the confidence interval

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