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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

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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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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