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Name: Sixty-eight people from a random sample of 128 residents of Uppsala, S
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Description: Sixty-eight people from a random sample of 128 residents of Uppsala, Sweden, had blue eyes. 45 people from a random sample of 110 people from Preston, England, had blue eyes. Let p1 represent the proportion of people in Uppsala with blue eyes, and

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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Sixty-eight people from a random sample of 128 residents of Uppsala, Sweden, had blue eyes. 45 people from a random sample of 110 people from Preston, England, had blue eyes. Let p1 represent the proportion of people in Uppsala with blue eyes, and let p2 represent the proportion of people in Preston with blue eyes. We want to see if a greater proportion of Uppsala residents have blue eyes than the residents of Preston:

a-write appropriate hypotheses for the significance test:

b-Find the p-value for the test and interpret your results at the 5% significance level

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