Given a regression equation of Y = 50.3 + 2.48 (X), a standard error of the estimate = 8.21, n = 10, the degrees of freedom = 8, and the following formula terms of (X - Xbar)2 = 8 and ?(X - Xbar)2 = 10 ..when X = 5, what is the 90% Confidence Interval and the 98% Prediction Interval?
Confidence Interval (90%)Prediction Interval (98%)
Answer 40.11 to 85.29 29.98 to 95.42
52.18 to 73.22 41.89 to 83.51
56.92 to 68.48 52.06 to 73.34
47.46 to 77.94 37.28 to 88.12
57.18 to 78.22 46.89 to 89.44