Question: For the data given in Problem 4 in Chapter 8 (plus the accompanying computer output), find (using = .10) the best regression model relating

For the data given in Problem 4 in Chapter 8 (plus the accompanying computer output), find (using Î± = .10) the best regression model relating homicide rate (Y) to population size (X1), percentage of families with income less than $5,000 (X2), and unemployment fate (X3).
a. Use the stepwise approach.
b. Use the backward approach.
c. Use the all possible regressions approach.
Regression Models for Dependent Variable: Y
SSY 1855.20200, N = 20

Number in Model R-Square | C(p) 6.1969 MSE 25.97790 X3 30.38125 X2 Variables in Model 0.7480 0.7052 9.9594 0.0045 71.6694 102.60275 X1 0.8020 34376 0.7672 6.5055 0.7103 11.5104 2 21.60839 X2 X3 25.41000 X1 X3 31.61198 X1 X2 0.8183 40000 21.06607 X1 X2 X3

Step by Step Solution

★★★★★

3.37 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Stepwise Regression Method Step 1 Determine the magnitudes of the simple correlation coefficients ... 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 (1 attachment)

632-M-S-L-R (6078).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

For the data given in Problem 11 in Chapter 7, which concerns the relationship between the temperature (X) of a certain medium and the growth (Y) of human amniotic cells in a tissue culture,...

Using the data given in Problem 2 in Chapter 5 (with SBP as the dependent variable) and the accompanying computer output, find the best regression model, using Î± = .05 and the...

Use the results from Problem 4 in Chapter 8, as well as the computer output given here, to answer the following questions about the data from that problem. a. Conduct the overall regression F test...

For the data given in Problem 4 in Chapter 8 (plus the accompanying computer output), find (using = .10) the best regression model relating homicide rate (Y) to population size (X1), percentage of...

#6 Business Statistics with Computer Applications II Problems from book: Chapter 12 (page 523) 12.62, 12.63, 12.65-12.69 Problems not in book: Casting aluminum. In casting metal parts, molten metal...

Location Income ($1,000) Urban 27 Rural 25 Suburban 25 Suburban 26 Rural 30 Urban 29 Rural 33 Urban 30 Suburban 32 Urban 34 Urban 35 Urban 40 Rural 30 Rural 33 Urban 42 Suburban 32 Urban 43 Urban 43...

1)Different hotels in a certain area are randomlyselected, and their ratings and prices were obtained online. Usingtechnology, with x representing the ratings and y representingprice, we find that...

Create charts to better understand data sets. For cross-sectional data, use a scatter chart. For time series data, use a line chart. Linear y = a + bx Logarithmic y = ln(x) Polynomial (2nd order) y =...

Location Income ($1000) Size Years Credit Balance($) Urban 54 3 12 4016 Rural 30 2 12 3159 Suburban 32 4 17 5100 Suburban 50 5 14 4742 Rural 31 2 4 1864 Urban 55 2 9 4070 Rural 37 1 20 2731 Urban 40...

Math 533. Question 1: A national standard requires that public bridge over 200 feet in length must be inspected and rated every 2 years. The rating scale ranges from 0 (poorest rating to 0 (highest...

(a) Show that for the t and F distributions, for any v, , and k, tv,/2 (k - 1)Fk-l,v,. (Recall the relationship between the t and the F. This inequality is a consequence of the fact that the...

Show that the wave-mechanics approach to the gravity-induced problem discussed in Section 2.6 also leads to phase-difference expression (2.6.17).

What ratio would provide the best information regarding total return to common stockholders? Profitability liquify market or debt

Distinguish between period costs and discretionary costs. (CA (PE-II)May, 2007)

In a multiple regression equation, k = 5 and n = 20, the MSE value is 5.10, and SS total is 519.68. At the .05 significance level, can we conclude that any of the regression coefficients are not...

The district manager of Jasons, a large discount electronics chain, is investigating why certain stores in her region are performing better than others. She believes that three factors are related to...

Suppose that the sales manager of a large automotive parts distributor wants to estimate as early as April the total annual sales of a region. On the basis of regional sales, the total sales for the...

Required:\ $2 . iderity an approphate label (account name) for each item as it would be reported in the company/t tinanoul atasemerts and be type of account\ \\\\table[[,Labil,The],[3. Conne atvd...

Titan Mining Corporation has 8.9 million shares of common stock outstanding, 330,000 shares of 5 percent preferred stock outstanding, and 175,000 7.7 percent semiannual bonds outstanding, par value...

Find the APR, or stated rate, in each of the following cases. (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16. Use 365 days in a...