Problem 1.
Is it appropriate to use the slope of the regression line of the following set of data pairs using
the following equation: $m = \frac{y_2 - y_1}{x_2 - x_1}$ Instead of using the equation: $\theta = r \frac{S_y}{S_x}$. Explain your
answer.
Data pairs:
(88, 40)
(99, 45)
(110, 50)
(121, 55)
(132, 60)
(143, 65)
(154, 70)
(165, 75)
(176, 80)
(187, 85)
(198, 90)
(209, 95)
Problem 2.
Is it appropriate to use the slope of the regression line of the following set of data pairs using
the following equation: $m = \frac{y_2 - y_1}{x_2 - x_1}$ Instead of using the equation: $\theta = r \frac{S_y}{S_x}$. Explain your
answer.
Data pairs:
(88, 66)
(99, 75)
(110, 83)
(121, 91)
(132, 100)
(143, 108)
(154, 116)
(165, 125)
(176, 133)
(187, 141)
(198, 150)
(209, 158)
