I a Correlation Coefficient of -1 or +1 Indicates Perfect

question 95

Multiple Choice

i. A correlation coefficient of -1 or +1 indicates perfect correlation. ii. The strength of the correlation between two variables depends on the sign of the coefficient of correlation.
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) is a correct statement but not (ii) or (iii).
• D) (ii) and (iii) are correct statements but not (i).
• E) (i), (ii), and (iii) are all false statements.

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Definitions:

Direct Materials

Raw materials that can be directly identified and attributed to the production process of a specific finished product.

Bottling Department

A segment in a manufacturing or production facility specifically designed for the packaging of liquid products into bottles.

Equivalent Units

A concept in cost accounting used to measure the amount of work done on partially completed goods, expressed in terms of fully completed units.

Conversion Costs

The sum of labor and overhead costs incurred to convert raw materials into finished goods.