Question

Use the following results to predict the following:

a. The hip circumference of a man whose chest circumference is 95 centimeters.

b. The height of a man whose forearm circumference is 28 centimeters.

Styles 3. Use technology to find the regression line for each pair in Exercise 1 that has a strong correlation (chest, hip) Chest (cm) Hip (cm) Y X 93.6 98.7 95.8 99.2 93.1 94.5 99.6 104.1 92.1 93.9 96.6 102.5 101.9 97.3 104.5 107.S 92.7 95.3 Strong correlation r- 0.9530 (0.8<rs1.0) Intercept= -8.82 Slope 1.13 Equation of Regression line: y -8.83+ 1.13x ( 0S <r<1.0) (forearm, height) r = 0.8343 Forearm (cm) Height(cm)

Answer 1

(A) Regression equation is

y = -8.83 + 1.13*x

setting x = 95

we get

= -8.83 + 1.13*95

= -8.83 + 107.35

= 98.52

(B) Regression equation is

y = 24.68 + 1.67*x

setting x = 28

we get

= 24.68 + 1.67*28

= 24.68 + + 46.76

= 71.44