In the large city A,20 per cent of Random sample of 900 School children had defective eye -sight. In the large city B,15 percent of random sample of 1600 school children had the same defective. Is this Difference between the two Proportions Significant? Obtain 95% confidence limits of the difference in the population proportions.

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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In the large city A,20 per cent of Random sample of 900 School children
had defective eye -sight. In the large city B,15 percent of random sample of
1600 school children had the same defective. Is this Difference between the
two Proportions Significant? Obtain 95% confidence limits of the difference
in the population proportions.
Transcribed Image Text:In the large city A,20 per cent of Random sample of 900 School children had defective eye -sight. In the large city B,15 percent of random sample of 1600 school children had the same defective. Is this Difference between the two Proportions Significant? Obtain 95% confidence limits of the difference in the population proportions.
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