Find the width of the 98 confidence interval.
A) 5.46
B) 3.64
C) 0.91
D) 0.60
Question 2
The two regressions Y = 0 + 1X1 + 2X2 + 3X3 + 4X4 + and Y = 0 + 1X1 + 2X2 + were run using a sample of 60 observations. If the SSE for the first regression is 1,688.4, what would you expect the SSE for the second regression be?
A) SSE = 1,688.4
B) SSE < 1,688.4
C) SSE 1,688.4
D) SSE < 688.4