Asked by
Jenna Dallison
on Nov 30, 2024
Verified
The sample variance is approximately the average of the squared deviations of the measurements from their mean.
Sample Variance
A measurement of the spread between numbers in a data sample, calculated by taking the mean of the squared deviations from the sample mean.
Squared Deviations
The squared differences between each observation and the mean, used in the calculation of variance.
- Understand the significance of variability (standard deviation, variance) and central tendency (mean, median, mode) measures in data summarization.
- Describe the calculation and importance of variance and standard deviation in the analysis of data.
Verified Answer
BK
Learning Objectives
- Understand the significance of variability (standard deviation, variance) and central tendency (mean, median, mode) measures in data summarization.
- Describe the calculation and importance of variance and standard deviation in the analysis of data.