Question: Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r = 0.426, Y Ì = 219.974 + 186.595(X). Using this

Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r = 0.426, Y Ì‚ = 219.974 + 186.595(X).

Coefficients Unstandardized Coefficients Std. Error Standardized Coefficients Model Beta t. 2.972 2.953 -2.566 Sig. .004

Using this information, compute the following estimates of prediction error:

a. Calculate the sum of squared error for the mean, SS total.

b. Now, using the regression equation provided, calculate the sum of squared error for the regression equation, SS error.

c. Using your work, calculate the proportionate reduction in error for these data.

d. C heck that this calculation of r 2 equals the square of the correlation coefficient.

e. Compute the standardized regression coefficient.

Coefficients Unstandardized Coefficients Std. Error Standardized Coefficients Model Beta t. 2.972 2.953 -2.566 Sig. .004 .004 .012 1.675 .001 -008 563 .000 .003 (Constant) SAT .321 Rank -279

Step by Step Solution

★★★★★

3.57 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a The sum of squared error for the mean SS total b Using the regression equation provided he... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (2 attachments)

1421_60547789c82c3_650271.pdf

180 KBs PDF File

1421_60547789c82c3_650271.docx

120 KBs Word File

Students Have Also Explored These Related Management Fundamentals Concepts Questions!

The following estimates of activity times (in days) are available for a small project: a. Compute the expected activity completion times and the variance for each activity. b. An analyst determined...

a. Determine the correlation coefficient and linear regression equation that expresses the square footage as a function of the monthly rent. Round the numbers in the equation to the nearest...

Compute the mean absolute deviation (MAD), the mean squared error (MSE), the bias, and the mean average percent error (MAPE) for the following forecast. PeriodF 616 599 598 572 597 646 582 699 607...

14.30 Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r = 0.426, Y = 219.974 + 186.595(X). X Y 0.13 200.00 0.27 98.00 0.49 543.00 0.57 385.00...

How would I answer and solve these questions? Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: R = 0.426, Y = 219.974 + 186.595(X) X 0.13 0.27...

Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r 0.426, Y 219.974 186.595(X). Using this information, compute the following estimates of...

16.32 Data are provided here with descriptive statistics, a correlation coefcient, and a regression equation: 7' = 0.426, 17 = 219.974 + 186.595(X). X Y 0.13 200.00 0.27 98.00 0.49 543.00 0.57 385.00...

14.31 Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r = 0.52, Y = 2.643 + 0.469(X). X Y 4.00 6.00 6.00 3.00 7.00 7.00 8.00 5.00 9.00 4.00...

Data are provided here with descriptive statistics, a correlation coefficient, and a regression equation: r 0.52, Y 2.643 0.469(X). Using this information, compute the following estimates of...

Data are provided here with descriptive statistics, a correlation coefcient, and a regression equation: r = 0.426, Y = 219.974 + 186.595(X). X Y 0.13 200.00 0.27 98.00 0.49 543.00 0.57 385.00 0.84...

What is the sociotechnical approach to job design?

Following are five series of costs A through E measured at various volume levels. Examine each series and identify which is fixed, variable, mixed, step-wise, orcurvilinear. Volume (Units) Series A...

What was the original concept of organization development?

Describe four strategies that teachers can use to help children who are being maltreated.

Find the z-score location of a vertical line that separates a normal distribution as described in each of the following. a. 15% in the tail on the right b. 40% in the tail on the left c. 75% in the...

Find each of the following probabilities for a normal distribution. a. p(21.80 , z , 0.20) b. p(20.40 , z , 1.40) c. p(0.25 , z , 1.25) d. p(20.90 , z , 20.60)

What proportion of a normal distribution is located between each of the following z-score boundaries? a. z 5 20.50 and z 5 10.50 b. z 5 20.85 and z 5 10.85 c. z 5 21.60 and z 5 11.60

K-Too Everwear Corporation can manufacture mountain climbing shoes for $25.95 per pair in variable raw material costs and $17.20 per pair in variable labor expense. The shoes sell for $156 per pair....

Last year, Davies Inc. had sales of $405,000, with a cost of goods sold of $111,000. The firm's operating expenses were $125,000, and its increase in retained earnings was $54,000. There are...

Assume Juan bought 24 ounces of gold for $5,280 as protection against rising inflation. He sold half the gold in 1980 at a price of $545 an ounce. Juan sold the other half in 1982 when the price was...