If σ = 25, Find the Sample Size to Estimate

question 12

Multiple Choice

If σ = 25, find the sample size to estimate the mean with an error of ± 3 and 90 percent confidence (rounded to the next higher integer) .

• A)426
• B)512
• C)267
• D)188

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Definitions:

Individual Gestures

Non-verbal communication actions performed by an individual, which convey meaning or messages without the use of words, such as hand movements or facial expressions.

Communication Competency

The skill and ability to effectively convey, receive, and interpret messages and information, facilitating understanding and interaction.

Nonverbal Signals

Communication that occurs without words, through body language, facial expressions, gestures, and other physical cues.

Layoffs

The act of temporarily or permanently removing employees from their positions, usually as a cost-saving measure in response to economic downturns or organizational restructuring.