Asked by Tayler Metcalf on Jul 22, 2024
Verified
In a normal distribution, what percentage of people scores within two standard deviations of the mean?
A) 95 percent
B) 60 percent
C) 33 percent
D) 20 percent
Standard Deviations
A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.
Normal Distribution
A bell-shaped frequency distribution curve where most occurrences take place in the middle of the range and taper off symmetrically towards extremes.
- Acquire knowledge on the concept and relevance of normal distribution within psychological measurements.
Verified Answer
KM
Kristi MehmetiJul 24, 2024
Final Answer :
A
Explanation :
In a normal distribution, approximately 95 percent of the scores fall within two standard deviations of the mean. This is known as the 95% confidence interval.
Learning Objectives
- Acquire knowledge on the concept and relevance of normal distribution within psychological measurements.
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