A random sample of 25 U.S. residents was selected using census data from the year 2000. The dotplot below shows the distribution of total personal income (in thousands) for the members of the sample. The mean of this distribution is $25,615 and the standard deviation is $25,333. (a) Calculate and interpret the percentile for the individual with a total personal income of $35,000. Show work. (b) Calculate and interpret the z-score for the individual who had a total personal income of $10,000. Show work.
A random sample of 25 U.S. residents was selected using census data from the year 2000. The dotplot below shows the distribution of total personal income (in thousands) for the members of the sample. The mean of this distribution is $25,615 and the standard deviation is $25,333. (a) Calculate and interpret the percentile for the individual with a total personal income of $35,000. Show work. (b) Calculate and interpret the z-score for the individual who had a total personal income of $10,000. Show work.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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A random sample of 25 U.S. residents was selected using census data from the year 2000. The dotplot below shows the distribution of total personal income (in thousands) for the members of the sample. The mean of this distribution is $25,615 and the standard deviation is $25,333.
(a) Calculate and interpret the percentile for the individual with a total personal income of $35,000. Show work.
(b) Calculate and interpret the z-score for the individual who had a total personal income of $10,000. Show work.
Transcribed Image Text:Sample of Collection 1
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Total personal income (thousands)
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Dot Plot
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