The Essentials of Statistics: A Tool for Social Research
The Essentials of Statistics: A Tool for Social Research
4th Edition
ISBN: 9781305802698
Author: Joseph F. Healey
Publisher: Cengage Learning US
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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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Chapter 4, Problem 4.2P

Compute the range and standard deviation of the following 10 test scores.

66 , 75 , 69 , 72 , 84 , 90 , 96 , 70 , 55 , 45

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Chapter 4 Solutions

The Essentials of Statistics: A Tool for Social Research

Ch. 4 - Compute the range and standard deviation of the...Ch. 4 - Compute the range and standard deviation of the...Ch. 4 - In problem 3.1 at the end of Chapter 3, you...Ch. 4 - SOC In problem 3.5 at the end of Chapter 3, you...Ch. 4 - SOC In problem 3.6, you computed mean and median...Ch. 4 - Compute the standard deviation for the pretest and...Ch. 4 - SOC Labor force participation rates percent...Ch. 4 - SOC Data on several variables measuring overall...Ch. 4 - SOC The price of a gallon of regular gas for 20...Ch. 4 - SOC In problem 3.11, you computed measures of...
Ch. 4 - Per capita expenditures for public transportation...Ch. 4 - a. PA Compute the range, interquartile range, and...Ch. 4 - SOC Listed here are the rates of abortion per...Ch. 4 - SW One of your goals as the new chief...Ch. 4 - You are the governor of the state and must decide...Ch. 4 - At St. Algebra College, the math department ran...Ch. 4 - Compute the standard deviation for both sets of...

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