A Chi-Square Test for Independence Is Used to Evaluate the Relationship

question 65

Multiple Choice

A chi-square test for independence is used to evaluate the relationship between two variables.If both variables are classified into 2 categories,then what is the df value for the chi-square statistic?

• A)1
• B)2
• C)3
• D)Cannot determine the value of df from the information provided

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Definitions:

Hair Follicles

Microscopic skin structures from which hair grows, providing anchorage and nourishment to the hair.

Dermis

The dermis is the thick layer of living tissue below the epidermis that forms the true skin, containing blood capillaries, nerve endings, sweat glands, hair follicles, and other structures.

Outermost Layer

Refers to the surface or external layer of an object or entity.

Epidermis

The epidermis is the outermost layer of the skin, providing a waterproof barrier and creating our skin tone.