I If the Coefficient of Correlation Is 0

question 39

Multiple Choice

i. If the coefficient of correlation is 0.70, what is the coefficient of determination?
ii. If the value of r is -0.88, what does this indicate about the dependent variable as the independent
Variable increases?
iii. If the dependent variable is measured in hours, in what units is the standard error of estimate
Measured?

• A) 0.49; it decreases; hours.
• B) 0.49; it decreases; hours squared.
• C) 0.49; it increases; hours.
• D) 0.8367; it decreases; hours.
• E) 0.8367; it increases; hours squared.

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Definitions:

Infertility

Inability to conceive a child after 12 months of sexual intercourse without the use of birth control.

Obesity

A medical condition characterized by excess body fat that presents a risk to health, typically measured by BMI (body mass index).

Fertility

The ability to conceive and bear offspring.

Fallopian Tubes

A pair of slender tubes that transport ova from the ovaries to the uterus; a critical part of the female reproductive system.