(Answered) Table 29 gives data on mean scholastic aptitude test sat

Economics

Table 2.9 gives data on mean Scholastic Aptitude Test (SAT) scores for college-bound seniors for 1967-1990.

a. Use the horizontal axis for years and the vertical axis for SAT scores to plot the verbal and math scores for males and females separately.

b. What general conclusions can you draw?

c. Knowing the verbal scores of males and females, how would you go about predicting their math scores?

d. Plot the female verbal SAT score against the male verbal SAT score. Sketch a regression line through the scatterpoints. What do you observe?

TABLE 2.9 MEAN SCHOLASTIC APTITUDE TEST SCORES FOR COLLEGE-BOUND SENIORS, 1967-1990*

		Verbal			Math
Year	Males	Females	Total	Males	Females	Total
1967	463	468	466	514	467	492
1968	464	466	466	512	470	492
1969	459	466	463	513	470	493
1970	459	461	460	509	465	488
1971	454	457	455	507	466	488
1972	454	452	453	505	461	484
1973	446	443	445	502	460	481
1974	447	442	444	501	459	480
1975	437	431	434	495	449	472
1976	433	430	431	497	446	472
1977	431	427	429	497	445	470
1978	433	425	429	494	444	468
1979	431	423	427	493	443	467
1980	428	420	424	491	443	466
1981	430	418	424	492	443	466
1982	431	421	426	493	443	467
1983	430	420	425	493	445	468
1984	433	420	426	495	449	471
1985	437	425	431	499	452	475
1986	437	426	431	501	451	475
1987	435	425	430	500	453	476
1988	435	422	428	498	455	476
1989	434	421	427	500	454	476
1990	429	419	424	499	455	476

*Data for 1967-1971 are estimates.

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