Multiple Regression": Exercises 17.39, and 17.42

Feb 25th, 2015
Price: $30 USD

Question description

17.39  Refer to Exercise 17.16. Calculate the correlation between the father's and the mother's years of education. Is there any sign of multicollinearity? Explain.

17.16  GSS2012* How does the amount of education of one's parents (PAEDUC, MAEDUC) affect your education (EDUC)?

  a. Develop a regression model

  b. Test the validity of the model

  c. Test the two slope coefficients

  d. Interpret the coefficients

17.42  Refer to Exercise 17.20.

  a. Calculate the correlation matrix.

  b. Are there signs of the presence of multicollinearity? Explain.

  c. Test the correlation between each independent variable and the dependent variable. Which independent variables are linearly related to the dependent variable?

17.20 GSS2008* Use the General Social Survey of 2008 to conduct a regression analysis of income (INCOME) using the following dependent variables:

    • Age (AGE)
    • Years of education (EDUC)
    • Hours of work per week (HRS)
    • Spouse's hours of work (SPHRS)
    • Occupation prestige score (PRESTG80)
    • Number of children (CHILDS)
    • Number of family members earning money (EARNRS)
    • Years with current employer (CUREMPYR)

  • "Time-Series Analysis and Forecasting": Exercises 20.19 and 20.35

20.19 Xr20-932 Plot the following time series to determine which of the trend models appears to fit better.

Period  1  2  3  4  5

Time Series  55  57  53  49  47

Period  6  7  8  9  10

Time Series  39  41 33  28  20 

20.35 The following trend line and seasonal indexes were computed from 4 weeks of daily observations. Forecast the 7 values for next week.  ŷ = 120 + 2.3t  t = 1, 2, … , 28

Day  Seasonal Index

Sunday  1.5

Monday  .4

Tuesday  .5

Wednesday  .6

Thursday  .7

Friday  1.4

Saturday  1.9 

Submit your answers in a Microsoft Excel workbook, with each problem on a separate worksheet. Label each tab in the workbook with the exercise number. Highlight the answers in yellow and provide an interpretation in a text box.

Tutor Answer

(Top Tutor) Daniel C.
School: University of Maryland

Studypool has helped 1,244,100 students

Review from our student for this Answer

Feb 27th, 2015
Ask your homework questions. Receive quality answers!

Type your question here (or upload an image)

1828 tutors are online

Brown University

1271 Tutors

California Institute of Technology

2131 Tutors

Carnegie Mellon University

982 Tutors

Columbia University

1256 Tutors

Dartmouth University

2113 Tutors

Emory University

2279 Tutors

Harvard University

599 Tutors

Massachusetts Institute of Technology

2319 Tutors

New York University

1645 Tutors

Notre Dam University

1911 Tutors

Oklahoma University

2122 Tutors

Pennsylvania State University

932 Tutors

Princeton University

1211 Tutors

Stanford University

983 Tutors

University of California

1282 Tutors

Oxford University

123 Tutors

Yale University

2325 Tutors