Question 1
What is the formula for variance in a sample?
Question 2
Why are deviations from the mean squared when calculating variance?
Question 3
What does standard deviation measure?
Question 4
In the context of statistics, what is the difference between population and sample standard deviation?
Question 5
If a dataset consists of the numbers 2, 4, 4, 4, 5, 5, 7, what is the mean of this dataset?
