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Prove that the mean deviation about the mean of the variable x, the frequency of whose ith size x; is f; is given by : 2 N x_2_fi- Σ_fi xi x < x N = 2 fi i

Prove that the mean deviation about the mean of the variable x, the frequency of whose ith size x; is f; is given by : 2 N x_2_fi- Σ_fi xi x < x N = 2 fi i

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 12PPS
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Prove that the mean deviation about the mean of the variable x, the frequency of whose ith size x; is f; is given by : 2 N x_r_fi - Efixi, Ν= Efi X < x
Transcribed Image Text:Prove that the mean deviation about the mean of the variable x, the frequency of whose ith size x; is f; is given by : 2 N x_r_fi - Efixi, Ν= Efi X < x
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