Exhibit 22-2 A Simple Random Sample of 43 Elements Has Been Selected

question 13

Multiple Choice

Exhibit 22-2
A simple random sample of 43 elements has been selected from a population of size 800. The sample mean is 500, and the sample standard deviation is 60.
-Refer to Exhibit 22-2. An approximate 95% confidence interval for the population mean is

• A)482.2 to 517.8
• B)440.0 to 560.0
• C)500.0 to 560.0
• D)440.0 to 500.0

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Definitions:

Norming Stage

represents the phase in team development where members establish norms, achieve harmony and cohesion, and begin to work effectively together.

Team Development

Team development is the process of enhancing the effectiveness of a team through various stages of growth, improving communication, cooperation, and skills among members.

Closed Group

A restricted social or professional circle where membership is limited, often requiring certain criteria or invitation for joining.

Complementary Competencies

Skills that enhance or complete one another, often bringing added value when combined in a team or individual.