A Sample of 100 People Is Classified by Gender (Male/female)and

question 50

Multiple Choice

A sample of 100 people is classified by gender (male/female) and by whether they are registered voters.The sample consists of 80 females and 20 males,and has a total of 60 registered voters.If these data are used for a chi-square test for independence,what is the total number of females for the expected frequencies?

• A)32
• B)20
• C)48
• D)80

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Definitions:

Cohen's D

A statistic used to quantify the difference between two group means relative to the standard deviation of the sample.

Cohen's D

A measure of effect size that quantifies the difference between two group means in standard deviation units.

Cohen's D

A measure of effect size indicating the standardized difference between two means, often used in psychological and educational research.

Standard Deviation Units

Units of measurement used to express the variability or dispersion of a set of data points around their mean in terms of the standard deviation.