Which of the following conditions is/are NOT necessary to justify the use of t procedures in a significance test for the slope of a regression line? (2 points)
I. For each given value of x, the values of the response variable y are Normally distributed.
II. For each given value of x, the values of the response variable y are dependent.
III. For each given value of x, the standard deviation of y is the same.
I Correct
II
III
I and III
I and II
I got it right on the test.
