Which Statistical Technique Is Appropriate When We Compare Two Populations

question 108

Multiple Choice

Which statistical technique is appropriate when we compare two populations of nominal data with exactly two categories?

• A)The z-test of a population proportion.
• B)The z-test of the difference between two proportions.
• C)The chi-squared test of a contingency table.
• D)The z-test of a population proportion and the z-test of the difference between two proportions.
• E)The z-test of the difference between two proportions and the chi-squared test of a contingency table.

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Definitions:

Waist

The part of the human body below the ribs and above the hips, often measured to assess obesity or body fat distribution.

Hips

The region on each side of the pelvis, where the thigh bone (femur) joins the pelvis.

Muscle Dysmorphia

A psychological disorder characterized by a distorted body image and an obsessive belief that one's body is too small or inadequately muscular.

Body Dysmorphia

A psychological disorder in which an individual obsesses over perceived flaws in their appearance, often not noticeable to others.