1. A study considered the question, "Are you a registered voter?" Accuracy of confirmed by a check of city voting records. Two methods of survey were used: a face-to-face interview and a telephone interview. A random sample of 89 people were asked the voter registration question face to face. Of those sampled, seventy-six respondents gave accurate answers (as verified by city records). Another random sample of 90 people were asked the sam question during a telephone interview. Of those sampled, eighty-three respondents gave accura answers. Assume the samples are representative of the general population. At the 95% level, o you detect compared with the proportion of accurate responses from telephone interviews(Show your confidence in interval notation and show YOur internretation) response was any difference in the proportion of accurate responses from face-to-face interviews
1. A study considered the question, "Are you a registered voter?" Accuracy of confirmed by a check of city voting records. Two methods of survey were used: a face-to-face interview and a telephone interview. A random sample of 89 people were asked the voter registration question face to face. Of those sampled, seventy-six respondents gave accurate answers (as verified by city records). Another random sample of 90 people were asked the sam question during a telephone interview. Of those sampled, eighty-three respondents gave accura answers. Assume the samples are representative of the general population. At the 95% level, o you detect compared with the proportion of accurate responses from telephone interviews(Show your confidence in interval notation and show YOur internretation) response was any difference in the proportion of accurate responses from face-to-face interviews
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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