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Show that if x', y are the deviation of the variables from their means, then x Yi r=1. Σ 2N - Ox Oy i r =-1+ Σ + 2N Ox i Hence deduce that - 1srs1.

Show that if x', y are the deviation of the variables from their means, then x Yi r=1. Σ 2N - Ox Oy i r =-1+ Σ + 2N Ox i Hence deduce that - 1srs1.

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
ChapterP: Prerequisites
SectionP.6: Analyzing Graphs Of Functions
Problem 6ECP: Find the average rates of change of f(x)=x2+2x (a) from x1=3 to x2=2 and (b) from x1=2 to x2=0.
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Show that if x', y' are the deviation of the variables from their means, then 1 = 1 - 2N Yi | i 1 Yi Xi Σ 2N r =-1+ Ox Oy i Hence deduce that - 1<r<1.
Transcribed Image Text:Show that if x', y' are the deviation of the variables from their means, then 1 = 1 - 2N Yi | i 1 Yi Xi Σ 2N r =-1+ Ox Oy i Hence deduce that - 1<r<1.
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