Use the Formula to Calculate the 99% Confidence Interval

question 66

Multiple Choice

Use the formula to calculate the 99% confidence interval for a sample of N = 15 with a mean = 7.50 and standard error of the mean = .32.

• A) 99% CI = 7.50 ± .69
• B) 99% CI = 7.50 ± .56
• C) 99% CI = 7.50 ± .95
• D) 99% CI = 7.50 ± 3.30

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Definitions:

Induce

To lead or move by persuasion or influence, as to some action or state of mind.

Failures

Instances where intended outcomes are not achieved or experiments do not produce expected results.

Type I Errors

Errors that occur when a researcher incorrectly rejects a true null hypothesis, indicating a false positive.

Type II Errors

Also known as a false negative, it occurs when a test fails to reject a false null hypothesis; not detecting an effect that is present.