7. A study of 10 countries showed that smaller the percentage change in wages, smaller is the percentage change in consumer prices. a. Identify the explanatory variable and state its units b. Identify the response variable and state its units c. 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
Answer:
Given that:
A study of countries showed that smaller the perecentage change in wages, smaller is the percentage change in consumer prices.
a). Explanatory variable = Wage
Unit = Dollar
b). Response variable = Consumer prices
Unit = Dollar
c). We are given smaller % change in wages
i.e Small change in consumer price
i.e Corelation is positive
And we know that
-----------> 0.7 is correct answer
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