Question

Regression: !Y=Bo + B1Xi +ui Randon Sample of 3 observations on Xi and Yi Yi Xi...

Regression:

!Y=Bo + B1Xi +ui

Randon Sample of 3 observations on Xi and Yi

Yi Xi

51 3

60 2

45 4

a) Compute the OLS estimate Bo and B1

b) Compute the predicted value ŷi and the residual (u-hat)i for each of the 3 observations

c) What is the mean of the (u-hat)i's?

d) What is the mean of the ŷi's? How does it compare to the mean of the Yi's?

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
1. Consider the model Ci= β0+β1 Yi+ ui. Suppose you run this regression using OLS and...
1. Consider the model Ci= β0+β1 Yi+ ui. Suppose you run this regression using OLS and get the following results: b0=-3.13437; SE(b0)=0.959254; b1=1.46693; SE(b1)=21.0213; R-squared=0.130357; and SER=8.769363. Note that b0 and b1 the OLS estimate of b0 and b1, respectively. The total number of observations is 2950.According to these results the relationship between C and Y is: A. no relationship B. impossible to tell C. positive D. negative 2. Consider the model Ci= β0+β1 Yi+ ui. Suppose you run this...
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 2 8 6 11 13 a) 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 =? b) 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 1 2 3 4 5...
Given are five observations for two variables, x and y. xi 1 2 3 4 5 yi 4 7 6 12 15 The estimated regression equation is ? = 0.7 + 2.7x. Compute the mean square error using the following equation (to 3 decimals). Compute the standard error of the estimate using the following equation (to 3 decimals). Compute the estimated standard deviation b1 using the following equation (to 3 decimals). Use the t test to test the following hypotheses...
Given are five observations for two variables, x and y . xi 1 2 3 4...
Given are five observations for two variables, x and y . xi 1 2 3 4 5 yi 53 58 47 21 11 Use the estimated regression equation is y-hat = 78.01 - 3.08x A.) Compute the mean square error using equation. s^2 = MSE = SSE / n -2 [     ]   (to 2 decimals) B.) Compute the standard error of the estimate using equation s = sqrtMSE = sqrt SSE / n - 2 [      ] (to 2 decimals)...
Given are five observations collected in a regression study on two variables. xi 2   6 9...
Given are five observations collected in a regression study on two variables. xi 2   6 9 13 20 yi 7 18 9 26 23 Which of the following scatter diagrams accurately represents the data? Scatter diagram #1 Scatter diagram #2 Scatter diagram #3 SelectScatter diagram #1Scatter diagram #2Scatter diagram #3Item 1 Compute b0 and b1 (to 1 decimal). b1 b0 Complete the estimated regression equation (to 1 decimal). =  +  x Use the estimated regression equation to predict the value of y...
Given are five observations collected in a regression study on two variables. xi 2   6 9...
Given are five observations collected in a regression study on two variables. xi 2   6 9 13 20 yi 7 18 9 26 23 Which of the following scatter diagrams accurately represents the data? Scatter diagram #1 Scatter diagram #2 Scatter diagram #3 SelectScatter diagram #1Scatter diagram #2Scatter diagram #3Item 1   Compute b0 and b1 (to 1 decimal). b1    b0    Complete the estimated regression equation (to 1 decimal). =   +  x Use the estimated regression equation to predict the value of y...
Given are five observations collected in a regression study on two variables. xi 2   6 9...
Given are five observations collected in a regression study on two variables. xi 2   6 9 13 20 yi 7 18 9 26 23 Which of the following scatter diagrams accurately represents the data? Scatter diagram #1 Scatter diagram #2 Scatter diagram #3 SelectScatter diagram #1Scatter diagram #2Scatter diagram #3Item 1   Compute b0 and b1 (to 1 decimal). b1    b0    Complete the estimated regression equation (to 1 decimal). =   +  x Use the estimated regression equation to predict the value of y...
Given are five observations for two variables, x and y . xi 1 2 3 4...
Given are five observations for two variables, x and y . xi 1 2 3 4 5 yi 53 58 47 21 11 Use the estimated regression equation is y-hat = 78.01 - 3.08x A.) Compute the mean square error using equation. s^2 = MSE = SSE / n -2 [     ]   (to 2 decimals) B.) Compute the standard error of the estimate using equation s = sqrtMSE = sqrt SSE / n - 2 [      ] (to 2 decimals)...
Given are five observations collected in a regression study on two variables. xi 2   6 9...
Given are five observations collected in a regression study on two variables. xi 2   6 9 13 20 yi 7 18 9 26 23 Which of the following scatter diagrams accurately represents the data? Scatter diagram #1 atter diagram #1 Scatter diagram #2 Scatter diagram #3 SelectScatter diagram #1Scatter diagram #2Scatter diagram #3Item 1 Compute b0 and b1 (to 1 decimal). b1 b0 Complete the estimated regression equation (to 1 decimal). =  +  x Use the estimated regression equation to predict the...
Data for two variables, x and y, follow. xi 1   2   3   4   5 yi 5  ...
Data for two variables, x and y, follow. xi 1   2   3   4   5 yi 5   9   7   13   16 (a) Develop the estimated regression equation for these data. (Round your numerical values to two decimal places.) ŷ = 2.20+2.60x Compute the studentized deleted residuals for these data. (Round your answers to two decimal places.) xi yi Studentized Deleted Residual 1 5 2 9 3 7 4 13 5 16
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT