Asked by Jackie Duran on May 03, 2024
Verified
If a distribution has a mean of 100 and a standard deviation of 15,what value would be +2 standard deviations from the mean?
A) 70
B) 85
C) 115
D) 130
Standard Deviations
A measure that quantifies the amount of variation or dispersion of a set of numerical values.
Distribution
In statistics, it refers to the way in which data or values are spread out or distributed across a range of possibilities.
- Calculate and interpret standard deviations from the mean in a normal distribution.
Verified Answer
GW
Gursimran WarainchMay 05, 2024
Final Answer :
D
Explanation :
To find +2 standard deviations from the mean, we need to add 2 standard deviations to the mean:
Mean + 2(SD) = 100 + 2(15) = 130
Therefore, the answer is D) 130.
Mean + 2(SD) = 100 + 2(15) = 130
Therefore, the answer is D) 130.
Learning Objectives
- Calculate and interpret standard deviations from the mean in a normal distribution.