Ch. 1-15

Question 1

Testing for a linear relationship between x and y - H0:

Answer 1

B1 = 0 : X is not a significant predictor of y

Question 1

Testing for a positive linear relationship between x and y - HA:

Answer 1

B1 > 0

Question 2

Testing for a negative linear relationship btw x and y - HA:

Answer 2

B1 < 0

Question 3

Testing for a negative/positive linear relationship btw x and y - HA:

Answer 3

B1 does not equal 0 - x is a significantly useful predictor of y