In a Chi-Square Test of Independence,the Term "Expected Frequency" Generally

question 48

Multiple Choice

In a chi-square test of independence,the term "expected frequency" generally refers to

• A)the distribution of people over categories on the measured variables under the assumption of equal numbers of people in all cells.
• B)the distribution of people over categories on one variable expected if the distribution of people over categories on the other variable is completely unrelated to it.
• C)the examination of the spread of the grouping variable to see if it is truly an independent variable.
• D)the population's distribution of the scores on the measured variable as estimated by the sample data.

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Definitions:

Sex-linked Disorders

Genetic diseases that are passed through sex chromosomes, typically resulting in disorders more frequently in one sex than the other.

Phenotype

The set of observable characteristics of an individual resulting from the interaction of its genotype with the environment.

Karyotype

A complete picture of an individual’s chromosomes, used to look for abnormalities.

Allele Typing

The process of determining the variations of genes at specific loci in the DNA sequence, used in genetic research and forensics.