Please help me out in finding solution to this problem in SP

Please help me out in finding solution to this problem in SPSS.

Explain me briefly about the procedure and questions in this problem.

Please I need it as soon as possible.. help me

24. Decline in Male Births. Display 7.16 shows thc proportion of malc births in Dcnmark, Tho Netherlands. Canada, and the United States for a number of years. (Data read from graphs in Davis et al., \"Reduced Ratio of Male to Female Births in Several Industrial Countries,\" Journal of the American Medical Association, 279 (1998): 1018-23) Alo shown ar the resulls of esquares fitting to the simple linear re gression of proportion of males on year, separately for each country. with standard errors of estimated coefficients in parentheses. (a) With a statistical computer package and the data in he file ex0725, ol he least squares fits to the four simple regressions, individually, to confirm the estimates and standard errors presented in Display 7.17. four countries. Is there evilence that the propofmale hirths is truly declining? even though its slope is only the third largest (in absolute value) (b) Obtain the t-statistic for the test that the slopes of the regressions are zero, for each of the (c) Explain why the United States can have the largest of the four t-statistics (in absolute value) (d) Explain why the standard error of the estimated slope is smaller for the United States than (e) Can you think of any rcason why the standard dcviations about thc rc gression linc might bc different for the four countries? (Hint: The proportion of males is a kind of average, i.e., the average nuber of births hat are male.)

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