STATS:DATA+MODELS-W/DVD
STATS:DATA+MODELS-W/DVD
4th Edition
ISBN: 9780321986498
Author: DeVeaux
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 22, Problem 59E

(a)

To determine

State the hypotheses.

(b)

To determine

Check the assumptions for the inference.

(c)

To determine

Explain the meaning of the P-value in the context.

(d)

To determine

Explain the conclusion.

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Chapter 22 Solutions

STATS:DATA+MODELS-W/DVD

Ch. 22.3 - A public broadcasting station plans to launch a...Ch. 22.3 - Prob. 2JCCh. 22.4 - Prob. 3JCCh. 22.4 - Prob. 4JCCh. 22.5 - Prob. 5JCCh. 22.5 - Prob. 6JCCh. 22.5 - Prob. 7JCCh. 22.5 - Prob. 8JCCh. 22.6 - Prob. 9JCCh. 22.6 - Prob. 10JC
Ch. 22.6 - Prob. 11JCCh. 22 - Prob. 1ECh. 22 - Prob. 2ECh. 22 - Prob. 5ECh. 22 - Prob. 6ECh. 22 - Prob. 7ECh. 22 - Prob. 8ECh. 22 - Prob. 3ECh. 22 - Prob. 4ECh. 22 - Prob. 9ECh. 22 - Prob. 10ECh. 22 - Prob. 11ECh. 22 - Prob. 12ECh. 22 - Prob. 13ECh. 22 - Prob. 14ECh. 22 - Prob. 15ECh. 22 - Prob. 16ECh. 22 - Prob. 17ECh. 22 - 18. Athlete ages, overtime Repeat the test you did...Ch. 22 - Prob. 19ECh. 22 - Prob. 20ECh. 22 - Prob. 21ECh. 22 - 22. Science news At the end of 2013, the Pew...Ch. 22 - Prob. 23ECh. 22 - 24. Regulating access When a random sample of 935...Ch. 22 - Prob. 25ECh. 22 - 26. Buy it again? A consumer magazine plans to...Ch. 22 - Prob. 27ECh. 22 - Prob. 28ECh. 22 - Prob. 29ECh. 22 - Prob. 30ECh. 22 - Prob. 31ECh. 22 - Prob. 32ECh. 22 - Prob. 33ECh. 22 - 34. Anorexia The Journal of the American Medical...Ch. 22 - Prob. 35ECh. 22 - Prob. 36ECh. 22 - Prob. 37ECh. 22 - Prob. 38ECh. 22 - Prob. 39ECh. 22 - 40. Politics and sex One month before the...Ch. 22 - 41. Mammograms It’s widely believed that regular...Ch. 22 - Prob. 42ECh. 22 - Prob. 43ECh. 22 - Prob. 44ECh. 22 - Prob. 45ECh. 22 - Prob. 46ECh. 22 - Prob. 47ECh. 22 - Prob. 48ECh. 22 - Prob. 49ECh. 22 - Prob. 50ECh. 22 - Prob. 51ECh. 22 - Prob. 52ECh. 22 - Prob. 53ECh. 22 - Prob. 54ECh. 22 - Prob. 55ECh. 22 - Prob. 56ECh. 22 - Prob. 57ECh. 22 - 58. Stereograms In Exercises 49 and 50, Chapter 4,...Ch. 22 - Prob. 59ECh. 22 - Prob. 60ECh. 22 - 61. Commuting A man who moves to a new city sees...Ch. 22 - 62. Pulse rates A researcher wanted to see whether...Ch. 22 - Prob. 63ECh. 22 - Prob. 64ECh. 22 - Prob. 65ECh. 22 - Egyptians Some archaeologists theorize that...Ch. 22 - Prob. 67ECh. 22 - 68. Streams In Chapter 6, Exercise 25, we looked...Ch. 22 - 70. Memory Does ginkgo biloba enhance memory? In...Ch. 22 - Prob. 71ECh. 22 - 72. Hard water by region Recall from Chapter 7,...Ch. 22 - Prob. 73ECh. 22 - Prob. 74ECh. 22 - Prob. 75ECh. 22 - Prob. 76ECh. 22 - Prob. 77ECh. 22 - Prob. 78ECh. 22 - Prob. 79ECh. 22 - Prob. 80ECh. 22 - 83. Tees Does it matter what kind of tee a golfer...Ch. 22 - Prob. 84ECh. 22 - Prob. 85ECh. 22 - Prob. 86ECh. 22 - Prob. 69E
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