To Calculate the "Optimal" Sample Size,all of the Following Information $\alpha$

question 2

Multiple Choice

To calculate the "optimal" sample size,all of the following information is needed except

• A) precision required
• B) level of confidence (\(\alpha\))
• C) estimate of population variance
• D) sample mean

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Definitions:

Activity Levels

The degree of physical or mental exertion or the amount of movement and energy used by an individual.

Childhood Drawings

Visual representations made by children, serving as a medium through which they express their perceptions, emotions, and imagination.

Calories Needed

the amount of energy required by an individual to maintain their body's functions and perform daily activities.

Corpus Callosum

A thick band of nerve fibers that divides the cerebral cortex lobes into left and right hemispheres, facilitating communication between the two sides of the brain.