Fill in the Blanks by Standardizing the Normally Distributed Variable

question 131

Multiple Choice

Fill in the blanks by standardizing the normally distributed variable.
-Dave drives to work each morning at about the same time. His commute time is normally distributed with a mean of 35 minutes and a standard deviation of 5 minutes. The percentage of
Time that his commute time is less than 44 minutes is equal to the area under the standard normal
Curve that lies to the ___ of __. right,

• A)1.1
• B)right, 1.8
• C)left, 1.8
• D)left, -1.8

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Definitions:

Heritability

A measure of how much of the variation in a trait among individuals within a population is due to genetic factors.

Factor Analysis

A statistical approach for expressing the differences among observed, interrelated variables by means of fewer, not directly observed variables, referred to as factors.

Predictive Validity

The extent to which a score on a scale or test predicts future performance on a related outcome.

Spelling Bee

A competition in which participants are asked to spell a broad selection of words, usually with a varying degree of difficulty.