Homework Answers
from above :
test statistic t =9.35
crtiical value t =-3.182 , 3.182
reject HO ; and conclude that there is a significant linear relationship between x and y
Add Answer to:
14.5.32 x| 2 4 1 3 2 Assuming that the regression equation is y = 0.615+2.077x...
x 2 6 1 3 3 y 5 10 4 8 6 Assuming that the regression...
x 2 6 1 3 3 y 5 10 4 8 6 Assuming that the regression equation is y = 2.957 + 1.214x and that the SSE = 2.5571, test to determine if the slope is not equal to zero using alpha = 0.05 a) Test Statistic T = ______ (round to two decimal places) b) Critical value(s) +/- tx/2 = _______, _______ (round to 3 decimal places)
Given are five observations for two variables, r and y. 3 4 5 1 2 7 6 11 14 4 The estimated regression equation is...
Given are five observations for two variables, r and y. 3 4 5 1 2 7 6 11 14 4 The estimated regression equation is y = 1.2 + 2.4r Compute the mean square error using the following equation (to 3 decimals). a. SSE s2=MSE n- 2 decimals). b. Compute the standard error of the estimate using the following equation (to SSE VMSE Vn-2 SE c. Compute the estimated standard deviation bi using the following equation (to 3 decimals). Sp...
Consider the set of ordered pairs shown below. Assuming that the regression equation is y with...
Consider the set of ordered pairs shown below. Assuming that the regression equation is y with caret = 4.813+0.163x and the SSE=8.744, construct a 95% confidence interval for x=3. x 2 6 1 5 4 -------------------- y 6 6 5 7 3 Click the icon to view a portion of the student's t-distribution table. Calculate the upper and lower limits of the confidence interval. UCL= LCL=
Given are five observations for two variables, 7 and y. 2 1 3 4 S M...
Given are five observations for two variables, 7 and y. 2 1 3 4 S M 3 7 5 11 14 The estimated regression equation is y = 0.2 +2.67 a. Compute the mean square arror using the following equation to 3 decimals), - MSE SSE - 2 b. Compute the standard error of the estimate using the following equation (to 3 decimals). 5 VMSE SSE N-2 c. Compute the estimated standard deviation by using the following equation (to 3...
The data shown below for the dependent variable, y, and the independent variable, x, have been...
The data shown below for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. X 10 15 11 19 18 17 5 17 18 y 9070 30 8020 30 5060 40 40 a. Develop a simple linear regression equation for these data. b. Calculate the sum of squared residuals, the total sum of squares, and the coefficient of determination c. Calculate the standard error of the estimate. d. Calculate the standard error for...
onsider the set of ordered pairs shown below. Assuming that the regression equation is y=0.400 +...
onsider the set of ordered pairs shown below. Assuming that the regression equation is y=0.400 + 1,000x and the SSE = 32, onstruct a 95% prediction interval for x = 5. X 13 6 3 5 3 o Y 14 6 4 6 2 Click the icon to view a portion of the student's t.distribution table. Calculate the upper and lower limits of the prediction interval UPL= LPLE (Round to three decimal places as needed.)
Consider the set of ordered pairs shown below. Assuming that the regression equation is y =...
Consider the set of ordered pairs shown below. Assuming that the regression equation is y = 2.796 +0.382x and the SSE = 6.206, construct a 95% confidence interval for x = 4 х 4 5 5 5 5 5 Click the icon to view a portion of the student's t-distribution table. ဂက 3 Calculate the upper and lower limits of the confidence interval UCL = LCL = 1 (Round to three decimal places as needed.)
Consider the set of ordered pairs shown below. Assuming that the regression equation is y=3.513+0.429x and...
Consider the set of ordered pairs shown below. Assuming that the regression equation is y=3.513+0.429x and the SSE=18.229, construct a 95% prediction interval for x=2 x 2 6 1 3 3 y 5 7 5 6 1 Click the icon to view a portion of the student's t-distribution table. Calculate the upper and lower limits of the prediction interval. UPL= LPL= (Round to three decimal places as needed.)
eBook Video In a regression analysis involving 30 observations, the following estimated regression equation was obtained....
eBook Video In a regression analysis involving 30 observations, the following estimated regression equation was obtained. 17.6+3.8z-2.3z +7.6z, +2.7z For this estimated regression equation SST- 1805 and SSR- 1,764. a. At a 0.05, test the significance of the relashionship among the variables. SSE (to 1 decimal, if necessary) MSR (to 1 decimal, if necessary) MSE (to 2 decimal if necessary) What is the value of the F test statistic (to 1 decimal)? Use Table 4 in Appendix B. What is...
Consider the following set of ordered pairs. x 2 7 1 4 30 y 6 9...
Consider the following set of ordered pairs. x 2 7 1 4 30 y 6 9 5 8 6 Assuming that the regression equation is y = 4.491 +0.679x and that the SSE = 1.0189, construct a 95% confidence interval for the slope. Click here to see the t-distribution table, page 1 Click here to see the t-distribution table, page 2 Construct a 95% confidence interval for the slope. LCL = and UCL = (Round to three decimal places as...
Given are five observations for two variables, r and y. 3 4 5 1 2 7 6 11 14 4 The estimated regression equation is y = 1.2 + 2.4r Compute the mean square error using the following equation (to 3 decimals). a. SSE s2=MSE n- 2 decimals). b. Compute the standard error of the estimate using the following equation (to SSE VMSE Vn-2 SE c. Compute the estimated standard deviation bi using the following equation (to 3 decimals). Sp...
Given are five observations for two variables, 7 and y. 2 1 3 4 S M 3 7 5 11 14 The estimated regression equation is y = 0.2 +2.67 a. Compute the mean square arror using the following equation to 3 decimals), - MSE SSE - 2 b. Compute the standard error of the estimate using the following equation (to 3 decimals). 5 VMSE SSE N-2 c. Compute the estimated standard deviation by using the following equation (to 3...
The data shown below for the dependent variable, y, and the independent variable, x, have been collected using simple random sampling. X 10 15 11 19 18 17 5 17 18 y 9070 30 8020 30 5060 40 40 a. Develop a simple linear regression equation for these data. b. Calculate the sum of squared residuals, the total sum of squares, and the coefficient of determination c. Calculate the standard error of the estimate. d. Calculate the standard error for...
onsider the set of ordered pairs shown below. Assuming that the regression equation is y=0.400 + 1,000x and the SSE = 32, onstruct a 95% prediction interval for x = 5. X 13 6 3 5 3 o Y 14 6 4 6 2 Click the icon to view a portion of the student's t.distribution table. Calculate the upper and lower limits of the prediction interval UPL= LPLE (Round to three decimal places as needed.)
Consider the set of ordered pairs shown below. Assuming that the regression equation is y = 2.796 +0.382x and the SSE = 6.206, construct a 95% confidence interval for x = 4 х 4 5 5 5 5 5 Click the icon to view a portion of the student's t-distribution table. ဂက 3 Calculate the upper and lower limits of the confidence interval UCL = LCL = 1 (Round to three decimal places as needed.)
eBook Video In a regression analysis involving 30 observations, the following estimated regression equation was obtained. 17.6+3.8z-2.3z +7.6z, +2.7z For this estimated regression equation SST- 1805 and SSR- 1,764. a. At a 0.05, test the significance of the relashionship among the variables. SSE (to 1 decimal, if necessary) MSR (to 1 decimal, if necessary) MSE (to 2 decimal if necessary) What is the value of the F test statistic (to 1 decimal)? Use Table 4 in Appendix B. What is...
Consider the following set of ordered pairs. x 2 7 1 4 30 y 6 9 5 8 6 Assuming that the regression equation is y = 4.491 +0.679x and that the SSE = 1.0189, construct a 95% confidence interval for the slope. Click here to see the t-distribution table, page 1 Click here to see the t-distribution table, page 2 Construct a 95% confidence interval for the slope. LCL = and UCL = (Round to three decimal places as...
Most questions answered within 3 hours.
-
Residents of two states were surveyed regarding whether or not
they were fans of professional football...
asked 6 minutes ago -
A study was done to compare the amount of time per day students
at public and...
asked 13 minutes ago -
For regularization, we added the regularizer to the loss
function. Does it make sense to multiply...
asked 19 minutes ago -
b. A freezer you got from a student sale has an inside
temperature of – 10C;...
asked 21 minutes ago -
PEARSON
Years
S&P 500
Stock Price
2014
1,692
$68.00
2015
1,978
$102.00
2016
1,884
$110.00
2017...
asked 23 minutes ago -
You roll a fair 6-sided dice, let Y be the outcome of the dice
roll. Then...
asked 52 minutes ago -
If the value of the range is equal to zero, then this indicates
that:
A. there...
asked 1 hour ago -
Based on Simms' (1994) articulation of psychological privacy to
promote development of self-identity, for example, do...
asked 35 minutes ago -
Use C programe to :
Develop an algorithm, flow chart and write a C program to...
asked 57 minutes ago -
Benzene has a vapor pressure of 75.0 Torr at 22.0 °C and an
enthalpy of evaporation...
asked 41 minutes ago -
How does a leadership philosophy shape service delivery in a
human services organization?
asked 50 minutes ago -
Which of the following statements about hormonal regulation of
glycogen synthesis and degradation are correct?
Multiple...
asked 55 minutes ago