Frieda Is 67 Inches Tall and Weighs 135 Pounds

question 58

Multiple Choice

Frieda is 67 inches tall and weighs 135 pounds. Women her age have a mean height of 65 inches with a standard deviation of 2.5 inches and a mean weight of 125 pounds with a standard deviation of 10 pounds. In relative terms, it is correct to say that:

• A)Frieda is taller and thinner than women in her age group.
• B)for this group of women, weight has greater variation than height.
• C)Frieda's height is more unusual than her weight.
• D)the variation coefficient exceeds 10 percent for both height and weight.

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Definitions:

Matched Pairs Design

A method of assigning subjects to groups in which pairs of subjects are first matched on some characteristic and then individually assigned randomly to groups.

Matching Variable

A characteristic used to ensure that members of different groups in a study are similar on that particular attribute.

Dependent Variable

The variable in an experiment that is observed and measured, expected to change as a result of alterations to the independent variable.

Matched Pairs Design

A research design in experimental psychology where participants are paired based on specific characteristics, with one member of each pair assigned to the experimental group and the other to the control group.