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Totals: No. of Workers No. of Units Produced Y 120 180 220 224 176 320 270 275 1785 X 10 12 14 16 13 20 18 17 120 XY 1200 2160 3080 3584 2288 6400 4860 4675 28247 X² 100 144 196 256 169 400 324 289 1878 y² 14400 32400 48400 50176 30976 102400 72900 75625 427277

Totals: No. of Workers No. of Units Produced Y 120 180 220 224 176 320 270 275 1785 X 10 12 14 16 13 20 18 17 120 XY 1200 2160 3080 3584 2288 6400 4860 4675 28247 X² 100 144 196 256 169 400 324 289 1878 y² 14400 32400 48400 50176 30976 102400 72900 75625 427277

Algebra: Structure And Method, Book 1
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
Section7.6: Percents Problems
Problem 17WE
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The head of the production department of FPDJ Electronic Company wants to determine the relationship between the number of workers who assemble a particular electronic gadget and the number of units of that product assembled per day. Referring to the table below, what is the coefficient of correlation

Totals: No. of Workers No. of Units Produced Y 120 180 220 224 176 320 270 275 1785 X 10 12 14 16 13 20 18 17 120 XY 1200 2160 3080 3584 2288 6400 4860 4675 28247 X² 100 144 196 256 169 400 324 289 1878 y² 14400 32400 48400 50176 30976 102400 72900 75625 427277
Transcribed Image Text:Totals: No. of Workers No. of Units Produced Y 120 180 220 224 176 320 270 275 1785 X 10 12 14 16 13 20 18 17 120 XY 1200 2160 3080 3584 2288 6400 4860 4675 28247 X² 100 144 196 256 169 400 324 289 1878 y² 14400 32400 48400 50176 30976 102400 72900 75625 427277
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