Intro Stats (5th Edition)
Intro Stats (5th Edition)
5th Edition
ISBN: 9780134210223
Author: Richard D. De Veaux, Paul F. Velleman, David E. Bock
Publisher: PEARSON
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2-Proportion Test
In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.
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Chapter 18, Problem 14E

a.

To determine

Explain the appropriate test for the data.

b.

To determine

State the conclusion for the hypothesis test.

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Chapter 18 Solutions

Intro Stats (5th Edition)

Ch. 18.4 - Think about each of the situations described...Ch. 18.4 - Prob. 2JCCh. 18.4 - Are parents equally strict with boys and girls? In...Ch. 18.4 - Prob. 4JCCh. 18.4 - Prob. 5JCCh. 18 - SECTION 18.1 1. Which method? Which of the...Ch. 18 - Prob. 2ECh. 18 - SECTION 18.2 3. Cars and trucks We have data on...Ch. 18 - Vehicle weights II The calibration test for a new...Ch. 18 - Prob. 5E
Ch. 18 - Prob. 6ECh. 18 - Blocking cars and trucks Thinking about the data...Ch. 18 - Prob. 8ECh. 18 - Prob. 9ECh. 18 - Prob. 10ECh. 18 - Prob. 11ECh. 18 - Freshman 15? Many people believe that students...Ch. 18 - Prob. 13ECh. 18 - Prob. 14ECh. 18 - Prob. 15ECh. 18 - Friday the 13th, accidents The researchers in...Ch. 18 - Prob. 17ECh. 18 - Prob. 18ECh. 18 - Prob. 19ECh. 18 - Wind speed, part II In Exercise 18, we saw summary...Ch. 18 - Prob. 21ECh. 18 - Prob. 22ECh. 18 - Prob. 25ECh. 18 - Brain waves An experiment was performed to see...Ch. 18 - Prob. 27ECh. 18 - Prob. 28ECh. 18 - Prob. 29ECh. 18 - Prob. 30ECh. 18 - Stopping distance A tire manufacturer tested the...Ch. 18 - Stopping distance 60 For another test of the tires...Ch. 18 - Prob. 33ECh. 18 - Prob. 34ECh. 18 - Prob. 36ECh. 18 - Prob. 37ECh. 18 - Marathon start-up years 2016 When we considered...Ch. 18 - BST Many dairy cows now receive injections of BST,...Ch. 18 - BST II In the experiment about hormone injections...
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