The First Step in Calculating a Confidence Interval for an Independent-Samples

question 99

Multiple Choice

The first step in calculating a confidence interval for an independent-samples t test is to:

• A) look up the t statistics for the lower and upper bounds.
• B) draw a normal curve.
• C) write the percentages for the upper and lower bounds.
• D) convert the t statistics to raw score differences between means.

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