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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Chapter 3, Problem 3.14P

You have compiled the following information on each of the graduates voted “most likely to succeed” by a local high school for a 10-year period. For each variable, find the appropriate measure of central tendency.

Case Present Income ($) Marital Status Owns a Home? Years of Education Post-High School
A 104,000 Divorced Yes 8
B 68,000 Divorced No 4
C 54,000 Married Yes 4
D 45,000 Married No 4
E 40,000 Single No 4
F 85,000 Separated Yes 8
G 30,000 Married No 3
H 27,000 Married No 1
I 93,000 Married Yes 6
J 48,000 Single Yes 4
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