Which of the following table values would be appropriate for a 95% confidence interval for the mean of y from a simple linear regression problem if the sample size is 7?
A) 1.895
B) 2.015
C) 2.365
D) 2.571
E) 1.960

Question

Quizplus · Accepted Answer

For a 95% confidence interval in a simple linear regression with a sample size of 7, you use the t-distribution with n-2 degrees of freedom (5 in this case). The t-value for 5 degrees of freedom at 95% confidence is approximately 2.571.

Which of the Following Table Values Would Be Appropriate for a 95