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In July 2004, Gallup Poll asked 1005 US adults if they actively try to avoid carbohydrates in their diet. That number increased to 27% from 20% in a similar 2002 poll. Has the proportion changed? Which test should you use? A t-test for means B z-test for proportions C 2-sample test for proportions D matched pairs E z-test for means F 2-sample test for means

In July 2004, Gallup Poll asked 1005 US adults if they actively try to avoid carbohydrates in their diet. That number increased to 27% from 20% in a similar 2002 poll. Has the proportion changed? Which test should you use? A t-test for means B z-test for proportions C 2-sample test for proportions D matched pairs E z-test for means F 2-sample test for means

MATLAB: An Introduction with Applications
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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Please see below. I only have ONE ATTEMPT at this. 
In July 2004, Gallup Poll asked 1005 US adults if they actively try to avoid carbohydrates in their diet. That number increased to 27% from 20% in a similar 2002 poll. Has the proportion changed? Which test should you use?
A
t-test for means
B
z-test for proportions
C
2-sample test for proportions
D
matched pairs
E
z-test for means
F
2-sample test for means
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