In a Sample of 20 Participants,a Researcher Estimates the 99

question 3

Multiple Choice

In a sample of 20 participants,a researcher estimates the 99% CI for a sample with a mean of M_D = 3.7 and an estimated standard error for the difference scores (S_MD) of 0.2.What is the confidence interval at this level of confidence?

• A) 99% CI 3.5, 3.9
• B) 99% CI 3.2, 4.2
• C) 99% CI 3.1, 4.3
• D) There is not enough information to answer this question.

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