I a Coefficient of Correlation R Close to 0 (Say

question 16

Multiple Choice

i. A coefficient of correlation r close to 0 (say, 0.08) shows that the relationship between two variables is quite weak.
Ii) The coefficient of determination is the proportion of the total variation in the dependent variable Y
That is explained or accounted for by its relationship with the independent variable X.
iii. If the coefficient of correlation is -0.90, the coefficient of determination is -0.81.

• A) (i), (ii) and (iii) are all correct statements
• B) (i) and (ii) are correct statements, but not (iii).
• C) (i) and (iii) are correct statements but not (ii).
• D) (ii) and (iii) are correct statements but not (i).
• E) All statements are false

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Definitions:

Labor Supply

The total hours that workers are willing and able to work at a given wage rate.

Wages

Payments made to workers for their labor, typically calculated on an hourly, daily, or piecework basis.

Landscaping Workers

Individuals engaged in the modification of visible features of an area of land, including living elements like flora and the shaping of landscapes.

Efficiency Wages

A theory suggesting that employers pay higher than the market-clearing wage to increase worker productivity, loyalty, and satisfaction, thus reducing turnover and shirking.