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Illustration 10.40. You are given the foilowing distributión of monthly income per family. Calculate the mean (X) and S.D. (S) for this distribution. What % of families fall in the interval X-S and Y-+S ? Monthly income No. of families 100- 120 30 120-160 25 160- 200 20 200-240 15 240-280 10

Illustration 10.40. You are given the foilowing distributión of monthly income per family. Calculate the mean (X) and S.D. (S) for this distribution. What % of families fall in the interval X-S and Y-+S ? Monthly income No. of families 100- 120 30 120-160 25 160- 200 20 200-240 15 240-280 10

MATLAB: An Introduction with Applications
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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Illustration 10.40. You are given the foilowing distributión of monthly income per family. Calculate the mean (X) and S.D. (S) for this distribution. What % of families fall in the interval X-S and Y+S ? Monthly income No. of families 30 100 120 120-160 25 160 - 200 20 200-240 15 240--280 10
Transcribed Image Text:Illustration 10.40. You are given the foilowing distributión of monthly income per family. Calculate the mean (X) and S.D. (S) for this distribution. What % of families fall in the interval X-S and Y+S ? Monthly income No. of families 30 100 120 120-160 25 160 - 200 20 200-240 15 240--280 10
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