Once You Have Determined the Percentage and Sample Size of Each

question 57

Multiple Choice

Once you have determined the percentage and sample size of each of your two samples, and then compared the two percentages by taking their arithmetic difference, the next step is t:

• A) determine the standard error of the arithmetic mean of differences.
• B) divide the difference between the two sample percentages by the standard error.
• C) enter the differences in XL Data Analyst.
• D) determine the standard error of the difference between two percentages.
• E) use the critical z value to test the null hypothesis.

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Definitions:

Circadian Clock

An internal biological clock regulating the sleep-wake cycle and other physiological processes on roughly a 24-hour cycle.

Internal Clock

An innate mechanism that regulates physiological and behavioral functions in a roughly 24-hour cycle, also known as the circadian rhythm.

Pineal Gland

A small endocrine gland in the brain, secreting melatonin and involved in regulating sleep patterns.

Thyroid Gland

The endocrine gland that produces thyroxine and regulates metabolism.