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Kahl Co wants to know whether there is a correlation between the number of labour hours worked (x) and the value of factory overheads (y). The Ex 89 1,063 1,047 150,251 12,475 8 Exy Which of the following statements is/are correct? (1) The correlation coefficient is 0.9 (to one decimal place) (2) 90% of the variation in factory overheads is explained by changes in the number of labour hours worked 2 only 1 only Both 1 and 2 Neither 1 nor 2

Kahl Co wants to know whether there is a correlation between the number of labour hours worked (x) and the value of factory overheads (y). The Ex 89 1,063 1,047 150,251 12,475 8 Exy Which of the following statements is/are correct? (1) The correlation coefficient is 0.9 (to one decimal place) (2) 90% of the variation in factory overheads is explained by changes in the number of labour hours worked 2 only 1 only Both 1 and 2 Neither 1 nor 2

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 24PFA
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Kahl Co wants to know whether there is a correlation between the number of labour hours worked (x) and the value of factory overheads (y). The following figures have been calculated: [x 89 1,063 1,047 150,251 12,475 8 Exy n Which of the following statements is/are correct? (1) The correlation coefficient is 0.9 (to one decimal place) (2) 90% of the variation in factory overheads is explained by changes in the number of labour hours worked 2 only [x² 01 only Both 1 and 2 Neither 1 nor 2
Transcribed Image Text:Kahl Co wants to know whether there is a correlation between the number of labour hours worked (x) and the value of factory overheads (y). The following figures have been calculated: [x 89 1,063 1,047 150,251 12,475 8 Exy n Which of the following statements is/are correct? (1) The correlation coefficient is 0.9 (to one decimal place) (2) 90% of the variation in factory overheads is explained by changes in the number of labour hours worked 2 only [x² 01 only Both 1 and 2 Neither 1 nor 2
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