In developing a 90% confidence interval for the average value of y from a simple linear regression involving 12 observations, the appropriate t-table value would be 1.796.

Question

Quizplus · Accepted Answer

The appropriate t-table value for a 90% confidence interval with 10 degrees of freedom (12 observations minus 2 for the intercept and slope) is approximately 1.812, not 1.796.

In Developing a 90% Confidence Interval for the Average Value