How Many Standard Deviations Is Required for a 98% Confidence

question 28

Multiple Choice

How many standard deviations is required for a 98% confidence level?

• A) 2
• B) 2.05
• C) 2.17
• D) 2.33
• E) 2.58

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Definitions:

Simple Random Sampling

A method of selecting a sample in which every member of the population has an equal chance of being chosen.

Youngsters

Youngsters refers to children and teenagers, often implying a focus on their development, education, and socialization.

Confidence Interval

A confidence interval is a range of values, derived from sample data, that is likely to contain the true value of an unknown population parameter with a specified level of confidence.

Sample Size

The number of participants, observations, or data points collected in a study, important for ensuring the statistical validity and reliability of the research findings.