Which of the Following Statements Could Be True Regarding Marital

question 2

Multiple Choice

Which of the following statements could be true regarding marital status and drinking?

• A)married groups differ in their average age and young persons tend to drink more heavily
• B)married groups differ in their average age and older persons tend to drink more heavily
• C)the marriage effect remains even after controlling for age, gender, and socioeconomic status
• D)both a & c

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Definitions:

Z-score

A metric that depicts how far a certain value stands from the mean of a collection of values, using the unit of standard deviations for measurement.

First Quartile

The value below which 25% of the data falls, marking the lower quarter of a data set.

Quartile

A type of quantile that divides a rank-ordered dataset into four equal parts.

Standard Normal Variable

A random variable that has a mean of 0 and a standard deviation of 1, following the standard normal distribution.