In a Sample of 12 Participants,a Researcher Estimates the 80

question 51

Multiple Choice

In a sample of 12 participants,a researcher estimates the 80% CI for a sample with a mean of M = 22.3 and an estimated standard error (S_M) of 4.7.What is the confidence interval at this level of confidence?

• A) 80% CI 12.1, 32.5
• B) 80% CI 17.6, 27.0
• C) 80% CI 15.9, 28.7
• D) there is not enough information to answer this question

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