3) A researcher took an SRS of 4 high schools from a region with 29 high schools for a study on the prevalence of smoking among female high school students in the region. The results were as follows: School Number of Students Number of Female Students Number of Female Students Interviewed Number of Female Students who Smoke 1 1471 792 792 317 2 890 447 447 89 3 1021 511 511 153 4 1587 800 800 540 Estimate the percentage of female high school students in the region who smoke, along with a 95% CI (treat the proportions as means; then, using the ratio estimation, find ŷr, se(ŷr), and a 95% CI of Yu).
3) A researcher took an SRS of 4 high schools from a region with 29 high schools for a study on the prevalence of smoking among female high school students in the region. The results were as follows: School Number of Students Number of Female Students Number of Female Students Interviewed Number of Female Students who Smoke 1 1471 792 792 317 2 890 447 447 89 3 1021 511 511 153 4 1587 800 800 540 Estimate the percentage of female high school students in the region who smoke, along with a 95% CI (treat the proportions as means; then, using the ratio estimation, find ŷr, se(ŷr), and a 95% CI of Yu).
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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