The mean response prediction made at X=4% (i.e., the point estimate) is ______(bigger than/smaller than/the same as)point estimate made at 5%, and the corresponding standard error at 4% is ________(bigger than/smaller than/the same as) at 5%. Briefly explain.

The mean response prediction made at X=4% (i.e., the point estimate) is _______(bigger than/smaller than/the same as), and the standard error is _______(bigger/smaller/the same as) the single response prediction at 4%. Briefly explain.