Asked by Bradee Byrum on Apr 23, 2024
Verified
If the distribution of test scores for a midterm is normal,approximately what percentage of the class should have a score that falls within two standard deviations of the mean
A) 34 percent
B) 68 percent
C) 95 percent
D) 99 percent
Standard Deviations
A measure of the amount of variation or dispersion of a set of values, indicating how much the individual data points differ from the mean value of the set.
- Acquire knowledge on the subject of variability in data sets and the approaches employed in its quantification.
Verified Answer
CE
CHRISTINA ELIZABETH ChackoMay 02, 2024
Final Answer :
C
Explanation :
The empirical rule states that approximately 95% of the data falls within 2 standard deviations of the mean in a normal distribution.
Learning Objectives
- Acquire knowledge on the subject of variability in data sets and the approaches employed in its quantification.