A Statistics Professor at an All-Menʹs College Determined That the Standard

question 81

Essay

A statistics professor at an all-menʹs college determined that the standard deviation of menʹs heights is 2.5inches. The professor then randomly selected 41 female students from a nearby all-female college and foundthe standard deviation to be 2.9 inches. Test the professorʹs claim that the standard deviation of female heightsis greater than 2.5 inches. Use α = 0.01.

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Definitions:

Psychological Construct

An abstract concept or category used to describe and understand psychological phenomena that are not directly observable, such as intelligence or motivation.

Comparative Research Framework

A methodology that involves comparing two or more groups, entities, or cases, in real-life or experimental settings, to draw conclusions about their similarities or differences.

Psychological Variables

Factors that can be varied or measured in experiments or studies that reflect emotional, cognitive, and behavioral aspects of individuals.

Majority White

Descriptive term for a population, group, or area in which White individuals constitute the largest racial group but not necessarily more than half of the total population.