How is the standard deviation related to the variance of a data set?
- It's the average of the variance
- It's the median of the variance
- It's the square of the variance
- It's the square root of the variance
The "Standard Deviation" is the "Square root of the Variance" of a data set. It measures the average distance that the data points deviate from the mean.
Loading...
Related Quiz
- Which plot can be considered a combination of a box plot and a rotated kernel density plot?
- If you want to represent both the distribution and density of data, a _____ plot is a good choice.
- What is the biggest challenge in the 'wrangle' phase of the EDA process?
- Can feature selection improve the computational efficiency of a machine learning model?
- For data with outliers, the _____ is typically a better measure of central tendency as it is less sensitive to extreme values.