A study of 10 countries showed that smaller the percentage change in wages, smaller  is the percentage change in consumer prices. Which of the following is a possible  value for the linear correlation coefficient between the percentage change in wages  and the percentage change in consumer prices?  a) 0.7 b) -0.65 c) -0.85 d) 1.1

MATLAB: An Introduction with Applications
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A study of 10 countries showed that smaller the percentage change in wages, smaller 
is the percentage change in consumer prices. Which of the following is a possible 
value for the linear correlation coefficient between the percentage change in wages 
and the percentage change in consumer prices? 

a) 0.7

b) -0.65

c) -0.85

d) 1.1

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