Which of These Variables Is Most Likely to Follow a Normal

question 67

Multiple Choice

Which of these variables is most likely to follow a Normal model for U.S. adults?

• A) ACT scores
• B) commuting time
• C) monthly mortgage
• D) eye color
• E) income

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Definitions:

Population Mean

The average of all the values in a population, representing the central point around which the data points in the population are distributed.

Two-Tailed Test

A statistical test where the significance area is on both ends of the distribution, examining if a sample falls outside a specific value range on either side.

Null Hypothesis

A hypothesis used in statistics that proposes no significant difference or effect, serving as the default assumption to be tested against an alternative hypothesis.

Test Statistic

A value determined from sample data, used to make decisions on a hypothesis in statistical testing.