A Sample of Size 100 Selected from One Population Has

question 93

Multiple Choice

A sample of size 100 selected from one population has 60 successes,and a sample of size 150 selected from a second population has 95 successes.The test statistic for testing the equality of the population proportions equal to:

• A) -0.5319.
• B) 0.7293.
• C) -0.419.
• D) 0.2702.

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Definitions:

Fetus

A developing mammal or human from the end of the embryonic period (in humans, approximately 8 weeks after conception) until birth.

Motor Development

The progression of muscular coordination and the ability of the body to move and manipulate objects, which occurs in stages from simple reflexes to complex movements.

Cephalocaudal

A pattern of growth and development where physical and motor skills develop from the head downwards through the body.

Proximodistal

A pattern of development where growth happens from the center of the body outward, observed in human and animal development.