7. of pregnancy in high school girls attending schools with A researcher is inve

Question

7. of pregnancy in high school girls attending schools with A researcher is investigating rates two different types of human sexuality programs (A and B). Five schools with cach type of m were studied and the resulting data are given in the table below type of program school number of number of girls in 10 13 12 7 6 10 9 288 305 291 278 293 306 312282 310 274 study for each school Analyze these data to determine if the two type of programs affect the pregnancy rate differently Show work and give the p-value.

Explanation / Answer

A multiple variance MANOVA test can be run where in the null hypothesis will be :

H0- p1=p2=p3=p4=p5=0 where pi stands for difference in proportion of pregnancies in school i of type A from B. thus, the alternative hypothesis will be atleast one of the proportions will not be equal to 0. The statistic can be written as :

(pi-pj)/[pi*(1-pi)/ni+pj*(1-pj)/nj]

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