Asked by Sammy Battaglia on Jul 23, 2024
Verified
Which of the following is an index of the amount of variability in a set of data
A) correlation coefficient
B) central tendency
C) statistical significance
D) standard deviation
Standard Deviation
A statistical measure that quantifies the amount of variation or dispersion of a set of data values from the mean.
Variability
The measure of how data points in a statistical distribution or dataset diverge from the average or mean value.
- Understand the principles of variability and their distinction from measures of central tendency.
Verified Answer
AR
Anirudh RajeshJul 28, 2024
Final Answer :
D
Explanation :
Standard deviation is a measure of the amount of variability or spread in a set of data. It is calculated by finding the average distance of each data point from the mean, and thus provides a measure of how much the data points deviate from the central tendency.
Learning Objectives
- Understand the principles of variability and their distinction from measures of central tendency.