In a Sample of 14 Participants,a Researcher Estimates the 90

question 60

Multiple Choice

In a sample of 14 participants,a researcher estimates the 90% CI for a sample with a mean of M₁ - M₂ = 10.7 and an estimated standard error for the difference (S_{M1 - M2}) of 2.9.What is the confidence interval at this level of confidence?

• A) 90% CI 4.4, 17.0
• B) 90% CI 5.5, 15.9
• C) 90% CI 7.8, 13.6
• D) There is not enough information to answer this question.