The Times-Observer is a daily newspaper in Metro City. Like many city newspapers

Question

The Times-Observer is a daily newspaper in Metro City. Like many city newspapers, the Times-Observer is suffering through difficult financial times. The circulation manager is studying other papers in similar cities in the United States and Canada. She is particularly interested in what variables relate to the number of subscriptions to the paper. She is able to obtain the following sample information on 25 newspapers in similar cities. The following notation is used:

Sub = Number of subscriptions (in thousands).
Popul = The metropolitan population (in thousands).
Adv = The advertising budget of the paper (in $ hundreds).
Income = The median family income in the metropolitan area (in $ thousands).
Paper Sub Popul Adv Income Paper Sub Popul Adv Income
1 37.95 588.9 13.2 35.1 14 38.39 586.5 15.4 35.5
2 37.66 585.3 13.2 34.7 15 37.29 544.0 11.0 34.9
3 37.55 566.3 19.8 34.8 16 39.15 611.1 24.2 35.0
4 38.78 642.9 17.6 35.1 17 38.29 643.3 17.6 35.3
5 37.67 624.2 17.6 34.6 18 38.09 635.6 19.8 34.8
6 38.23 603.9 15.4 34.8 19 37.83 598.9 15.4 35.1
7 36.90 571.9 11.0 34.7 20 39.37 657.0 22.0 35.3
8 38.28 584.3 28.6 35.3 21 37.81 595.2 15.4 35.1
9 38.95 605.0 28.6 35.1 22 37.42 520.0 19.8 35.1
10 39.27 676.3 17.6 35.6 23 38.83 629.6 22.0 35.3
11 38.30 587.4 17.6 34.9 24 38.33 680.0 24.2 34.7
12 38.84 576.4 22.0 35.4 25 40.24 651.2 33.0 35.8
13 38.14 570.8 17.6 35.0
Click here for the Excel Data File


(a) Determine the regression equation. (Round your answers to 4 decimal places.)
= + X1 + X2 + X3
(b) Conduct a global test of hypothesis to determine whether any of the net regression coefficients are not equal to zero. Use a = 0.05. (Round your answer to 2 decimal places.)

Ho: b1 = b2 = b3 = 0 H1: Not all bI's = zero. Reject Ho if F >

F =
(c) Conduct a test for the individual coefficients. Would you consider deleting any coefficients?

All coefficients are (Click to select)significantnot significant. Do not delete any.

(e) Develop a histogram of the residuals. Do you see any problems with the normality assumption?

The histogram (Click to select)does not appearsappears to be normal. There is (Click to select)problemno problem

Explanation / Answer

Data is not cleat. Plz rate me here. I will mail you the solution

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