Please answer a~c based on the charts. . recode v24 equality 1 - 1 2 0, gen (equ

Question

Please answer a~c based on the charts.

. recode v24 equality 1 - 1 2 0, gen (equal opp) (44 differences between v24 equality and equal opp) tab v24 equality equal pp RECODE of v24 equality v24 equali 1 Total 1 82 82 Total 82 126 regress v11 hrswork i.v03 eduopp i.ecual opp df 124 2.14 0.1226 0.0341 0.0181 12.931 Number of obs = F (2, 121) Source MS 714.248825 20233.9205 Model 2 357.124413 Prob > F 121 167.222484 R-squared Residual Adj R-squared - Total 20948.1694 123 170.31032 Root MSE v1l hrswork Coef. Std. Err [95% Conf. Interval] 1.v03_eduopp 1.equal_opp cons 0.08 0.937 -2.02 0.046 7.62 0.000 5.363118 -10.14109 - .0961487 19.47693 2071792 2.60432 -5.118617 2.536903 15.4585 2.029755 -4.948759 11.44006

Explanation / Answer

(a)

Based on the results table:

Hours of work per week (v11)

=

1.145492

+ 0.794254 * I(Attitude towards educational opportunity v23 = Yes)

- 5.186303 * I(Equality v24 = Promote equal opportunity)

+ 0.6170249 * age

(b)

The change in hours of work per week associated with age is 0.6170249

With an increase in 1 year in age, the work per week increases by 0.6170249 hours on an average.

The p-value for testing the effect of age on hours of work per week = 0.008

p-value is less than 0.05 and is thus, statistically signifiacnt.

So, we reject the null hypothesis that the hours of work per week is not associated with age.

We conclude that the change in hours of work associated with age is statistically signifiacnt.

The 95% confidence interval for the change in hours of work associated with age is between

0.164194 hours and 1.069856

(c)

Before adding age to the regression,

the change in hours of work per week associated with attitudes towards educational opportunity was 0.2071792

and the p-value for this change = 0.937

the change in hours of work per week associated with attitudes towards educational equality was - 5.118617

and the p-value for this change = 0.046

And after adding age to the regression,

the change in hours of work per week associated with attitudes towards educational opportunity is 0.794254

and the p-value for this change = 0.761

the change in hours of work per week associated with attitudes towards educational equality is - 5.186303

and the p-value for this change = 0.042

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