1. Do following calculations with this data set (1 point):
Nation 
Population size 
Wealth 
1 
small 
poor 
2 
large 
rich 
3 
large 
poor 
4 
small 
rich 
5 
large 
poor 
6 
large 
poor 
7 
small 
rich 
8 
large 
rich 
9 
large 
poor 
10 
small 
rich 
1) Take population size as the independent variable and wealth as the dependent variable, construct a crosstabulation table.
2) Calculate column percentages in the table.
3) Reconstruct the table by presenting cell frequencies expected by the hypothesis of statistical independence.
4) Compute the chisquare for the table and draw your conclusion of whether the relationship between the two variables is statistically significant.
5) Compute Yule's Q for the table and interpret the result.
*6) This is a bonus question. Compute the adjusted Phi for the table and interpret the result. (1 bonus point)
PART I: Hand Calculation Problems (2 points)
Presented below are correlations, means, and standard deviations for the earnings of fathers and sons obtained from a hypothetical sample of 100 respondents:

Son's earnings 
Father's earnings 
Mean 
S.D. 
Son's earnings 
1.00 
.58 
25 
60 
Father's earnings 

1.00 
30 
40 
Let son's earnings be your dependent variable and father's earnings your independent variable. Complete the following:
(1) Find ANOVA results and put them in the following summary table: (1 point)
SOURCE 
SS 
df 
MS 
F 
Regression 




Error 



X 
Total 


X 
X 
(2) First, obtain the constant (a) and unstandardized regression coefficient (b). (0.5 point)
*(3) This is a bonus question. Perform ttest of significance for each coefficient and interpret both the coefficients and the test results. (1 bonus point)
(4) Second, write down the regression equation and perform the F test for the equation. What conclusion can you draw from the above work about the effect of father’s earnings on son’s? (0.5 point)
Subject  Mathematics 
Due By (Pacific Time)  08/21/2014 01:30 pm 
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