<< Chapter < Page | Chapter >> Page > |
Card 6 / 6:
Variance
mean of the squared deviations from the mean; the square of the standard deviation. For a set of data, a deviation can be represented as x – x – where x is a value of the data and x – is the sample mean. The sample variance is equal to the sum of the squares of the deviations divided by the difference of the sample size and one.
Previous Card | ← Previous Card Button |
Next Card | → Next Card Button |
Flip Card | ↑ / ↓ / Return / Space |
Notification Switch
Would you like to follow the 'Introductory statistics' conversation and receive update notifications?