Given are five observations for two variables, x and y.

Question

Question

xi 1 2 3 4 5

yi 3 7 5 11 14

a. Develop the estimated regression equation by computing the values of b0 and b1.

(To save you a lot of arithmetic, use the following facts: Σ(xi − ̄x)(yi − ̄y) = 26 and Σ(xi − ̄x)2= 10.)

b. Use the estimated regression equation to predict the value of y when x= 4.

Answer 1

Answer #1

Answer 2

Similar Homework Help Questions

Given are five observations for two variables, x and y. xi 1 2 3 4 5...

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 8 5 10 14 (d) Develop the estimated regression equation by computing the values of b0 and b1 using b1 = Σ(xi − x)(yi − y) Σ(xi − x)2 and b0 = y − b1x. ŷ = (e) Use the estimated regression equation to predict the value of y when x = 2.
Given are five observations for two variables, x and y. xi 3 12 6 20 14...

Given are five observations for two variables, x and y. xi 3 12 6 20 14 yi 50 45 55 15 15 (d) Develop the estimated regression equation by computing the values of b0 and b1 using b1 = Σ(xi − x)(yi − y) Σ(xi − x)2 and b0 = y − b1x. ŷ = (e) Use the estimated regression equation to predict the value of y when x = 9. Observation 1 2 3 4 5 6 7 8...
Given are five observations for two variables, x and y. xi 1 2 3 4 5...

Given are five observations for two variables, x and y. xi 1 2 3 4 5 У|4751216 c. Develop the estimated regression equation by computing the the slope and the y intercept of the estimated regression line (to 1 decimal) d. Use the estimated regression equation to predict the value of y when x- 4 (to 1 decimal)

Given are five observations for two variables, x and y. xi 1 2 3 4 5...

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 7 8 11 14 Which of the following scatter diagrams accurately represents the data? 1. 2. 3. SelectScatter diagram #1Scatter diagram #2Scatter diagram #3Item 1 What does the scatter diagram indicate about the relationship between the two variables? SelectThere appears to be a linear relationship between x and yThere appears to be a nonlinear relationship between x and yItem 2 Try to...
Given are five observations for two variables, x and y. xi 1 2 3 4 5...

Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 3 8 4 10 15 (a) Develop a scatter diagram for these data. 1 2 3 4 5 g 2 N to Go 4 1 2 0 1 3 4 5 6 1 2 3 (b) What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a negative linear relationship between x...
Given are five observations for two variables, 3 and y. 24 1 2 3 5 4...

Given are five observations for two variables, 3 and y. 24 1 2 3 5 4 7 5 11 15 d. Develop the estimated regression equation by computing the values of bo and bi (to 1 decimals). Ý e. Use the estimated regression equation to predict the value of y when x = 5 (to 1 decimals). >

Given are five observations collected in a regression study on two variables. 2 6 9 13...

Given are five observations collected in a regression study on two variables. 2 6 9 13 20 7 18 9 26 23 a. Which of the following scatter diagrams accurately represents the data? A. B. C. D. - Select your answer -ABCDItem 1 b. Compute b0 and b1 (to 1 decimal). Complete the estimated regression equation (to 1 decimal). c. Use the estimated regression equation to predict the value of y when x=6 (to 1 decimal).
xi 1 2 3 4 5 yi 4 7 6 12 15 d. Develop the estimated...

xi 1 2 3 4 5 yi 4 7 6 12 15 d. Develop the estimated regression equation by computing the values of b0 an b1 y=_____ +______x e. Use of estimated regression equation to predict the value of y when x =5 y=_____
eBook Given are five observations for two variables, and y. 2 1 13 7 18 Yi...

eBook Given are five observations for two variables, and y. 2 1 13 7 18 Yi 57 46 58 13 16 26 b. What does the scatter diagram developed in part (a) indicate about the relationship between the two variables? There appears to be a negative linear relationship between 2 and y. C. Try to approximate the relationship between 2 and y by drawing a straight line through the data. Only one straight line can be drawn to provide a...

Given are five observations for two variables, x and y.

Given are five observations for two variables, x and y.xi12345yi4761214Round your answers to two decimal places. Use Table 1 of Appendix B a. Using the following equation: b. Using the following expression: c. Using the following equation: d. Using the following expression: