Question

A dataset follows. xi 2 6 9 13 20 yi 7 18 9 26 23 The...

A dataset follows.

xi 2 6 9 13 20

yi 7 18 9 26 23

The estimated regression equation is ˆy= 7.6 + 0.9x, SSE = 127.3, and Σ(xi − ̄x)^2 = 190.

a. What is the value of the standard error of the estimate?

b. Test for a significant relationship by using the t test (α=.05).

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
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation...
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation is ŷ = 7.6 + .9x. What is the value of the standard error of the estimate (to 4 decimals)? What is the value of the t test statistic (to 2 decimals)? Use the F test to test for a significant relationship. Use α = .05. Compute the value of the F test statistic (to 2 decimals).
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation...
xi 2 6 9 13 20 yi 7 18 9 26 23 The estimated regression equation is ŷ = 7.6 + .9x. What is the value of the standard error of the estimate (to 4 decimals)? What is the value of the t test statistic (to 2 decimals)? What is the p-value? - Select your answer -less than .01between .01 and .02between .02 and .05between .05 and .10between .10 and .20between .20 and .40greater than .40Item 3 What is your...
The data is given as follow. Excel File: data14-17.xlsx Xi 2      6          9          13        20 Yi..
The data is given as follow. Excel File: data14-17.xlsx Xi 2      6          9          13        20 Yi 7      18        9          26        23 The estimated regression equation for these data is y= 7.6+.9x. Compute SSE, SST, and SSR (to 1 decimal). SSE SST SSR What percentage of the total sum of squares can be accounted for by the estimated regression equation (to 1 decimal)? ---------% What is the value of the sample correlation coefficient (to 3 decimals)? ----------
Consider the data. xi 2 6 9 13 20 yi 7 18 10 26 25 (a)...
Consider the data. xi 2 6 9 13 20 yi 7 18 10 26 25 (a) What is the value of the standard error of the estimate? (Round your answer to three decimal places.) (b) Test for a significant relationship by using the t test. Use α = 0.05. State the null and alternative hypotheses. H0: β0 = 0 Ha: β0 ≠ 0H0: β1 ≥ 0 Ha: β1 < 0    H0: β1 ≠ 0 Ha: β1 = 0H0: β0 ≠ 0...
Consider the data. xi 1 2 3 4 5 yi 2 8 6 11 13 (a)...
Consider the data. xi 1 2 3 4 5 yi 2 8 6 11 13 (a) Compute the mean square error using equation  s2 = MSE = SSE n − 2  . (Round your answer to two decimal places.) (b) Compute the standard error of the estimate using equation s = MSE = SSE n − 2  . (Round your answer to three decimal places.) (c) Compute the estimated standard deviation of b1 using equation sb1 = s Σ(xi − x)2...
1.-Consider the data. xi 2 6 9 13 20 yi 9 19 11 24 22 (a)What...
1.-Consider the data. xi 2 6 9 13 20 yi 9 19 11 24 22 (a)What is the value of the standard error of the estimate? (Round your answer to three decimal places.)_____ Find the value of the test statistic. (Round your answer to three decimal places.)_____ Find the p-value. (Round your answer to four decimal places.) p-value = ___ (c)Use the F test to test for a significant relationship. Use α = 0.05. Find the value of the test...
Consider the data. xi 2 6 9 13 20 yi 5 16 8 24 23 (a)...
Consider the data. xi 2 6 9 13 20 yi 5 16 8 24 23 (a) What is the value of the standard error of the estimate? (Round your answer to three decimal places.) (b) Test for a significant relationship by using the t test. Use α = 0.05. State the null and alternative hypotheses. H0: β0 ≠ 0 Ha: β0 = 0 H0: β1 ≠ 0 Ha: β1 = 0     H0: β1 = 0 Ha: β1 ≠ 0 H0:...
Consider the data. xi 1 2 3 4 5 yi 4 7 6 10 13 The...
Consider the data. xi 1 2 3 4 5 yi 4 7 6 10 13 The estimated regression equation for these data is ŷ = 1.70 + 2.10x. (a) Compute SSE, SST, and SSR using equations SSE = Σ(yi − ŷi)2, SST = Σ(yi − y)2, and SSR = Σ(ŷi − y)2. SSE= SST= SSR= (b) Compute the coefficient of determination r2. r2= Comment on the goodness of fit. (For purposes of this exercise, consider a proportion large if it...
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 9 18 8 25 21 A. Develop the estimated regression equation for these data. B.Use the estimated regression equation to predict the value of y when x = 13.
Given are data for two variables, x and y. xi 6 11 15 18 20 yi...
Given are data for two variables, x and y. xi 6 11 15 18 20 yi 7 7 13 21 30 (a) Develop an estimated regression equation for these data. (Round your numerical values to two decimal places.) ŷ = (b)Compute the residuals. (Round your answers to two decimal places.) xi yi Residuals 6 7 11 7 15 13 18 21 20 30 (c)Compute the standardized residuals. (Round your answers to two decimal places.) xi yi Standardized Residuals 6 7...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT