Essentials Of Statistics
Essentials Of Statistics
4th Edition
ISBN: 9781305093836
Author: HEALEY, Joseph F.
Publisher: Cengage Learning,
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Concept explainers

Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of tw…
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency o…
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow compar…
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Textbook Question
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Chapter 10, Problem 10.13P

Does support for the legalization of marijuana vary by region of the country? The table displays the relationship between the two variables for a random sample of 1020 adult citizens. Is the relationship significant? Describe the pattern of the relationship, using column percentages. Which region is most in support of legalization?

Legalize? Region
North Midwest South West Totals
Yes 60 65 42 78 245
No
Totals		 245 305 200 265 180 222 150 228 775 1020
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Chapter 10 Solutions

Essentials Of Statistics

Ch. 10 - The following four 22 tables, presented without...Ch. 10 - PS As mentioned in this chapter, many analysts...Ch. 10 - SW A local politician is concerned that a program...Ch. 10 - SOC A sample of 25 cities have been classified as...Ch. 10 - PA Is there a relationship between salary levels...Ch. 10 - CJ A local judge has been allowing some...Ch. 10 - SOC The state Department of Education has rated a...Ch. 10 - SOC A program of pet therapy has been running at a...Ch. 10 - SOC Is there a statistically significant...Ch. 10 - PS Is there a relationship between college class...
Ch. 10 - SOC At a large urban college, about half of the...Ch. 10 - SOC An urban planning commissioner has created a...Ch. 10 - Does support for the legalization of marijuana...Ch. 10 - SOC A researcher is concerned with the...Ch. 10 - A random sample of 748 voters in a large city was...
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