(b) Given r 0.8, Ery 60 , o, 2.5 and Er 90, find the number of items (x and y are deviations from arithmetic mean).
(b) Given r 0.8, Ery 60 , o, 2.5 and Er 90, find the number of items (x and y are deviations from arithmetic mean).
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter7: Applying Fractions
Section7.2: Proportions
Problem 47WE
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