A Standardized Test Has a Mean Score of 500 Points $\text { Adam: } 575 \quad \text { Beth: } 690 \quad \text { Carlos: } 750 \quad \text { Doug: } 280 \quad \text { Ella: } 440$

question 162

Multiple Choice

A standardized test has a mean score of 500 points with a standard deviation of 100 points. Five students' scores are shown below.

$\text { Adam: } 575 \quad \text { Beth: } 690 \quad \text { Carlos: } 750 \quad \text { Doug: } 280 \quad \text { Ella: } 440$


Which of the students have scores within two standard deviations of the mean?

• A) Adam, Beth
• B) Adam, Beth, Ella
• C) Adam, Beth, Carlos, Ella
• D) Carlos, Doug

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Definitions:

Menopause

Permanent cessation of the menstrual cycle.

Climacteric

A phase of aging in both sexes marked by reduced fertility and the decrease of reproductive hormones.

Genetic Variation

The diversity in gene frequencies within a population, which contributes to differences among individuals.

Random Assortment

The process during meiosis where chromosomes are randomly segregated to gametes, contributing to genetic variation.