Asked by Colin Arnold on Jun 04, 2024
Verified
In order to calculate the variance,which of the following must you know?
A) range
B) median
C) standard deviation
D) mode
Variance
A measure of the dispersion of a set of data points, calculated as the average squared deviation from the mean of the data.
Standard Deviation
A measure of the amount of variation or dispersion of a set of values, indicating how spread out the data points are.
Range
The difference between the highest and lowest values in a dataset, indicating the spread of the data.
- Understand the concept and calculation of variance.
Verified Answer
ZK
Zybrea KnightJun 05, 2024
Final Answer :
C
Explanation :
To calculate the variance, you need to know the standard deviation. Variance is the square of the standard deviation, so you can't calculate one without the other. Range, median, and mode have nothing to do with calculating variance.
Learning Objectives
- Understand the concept and calculation of variance.