Calculator
Enter numbers separated by commas or spaces. The same list is used for every result below.
Count5
Mean8
Median9
Mode10
Range6
Population standard deviation2.280351
Sample standard deviation2.54951
How the results were found
1. Order the data
4, 7, 9, 10, 10
2. Find the mean
Sum = 40; mean = 40 / 5 = 8.
3. Find the middle and spread
Median = 9; range = largest value - smallest value = 6.
Method and variables
Descriptive Statistics Calculator
Formula: mean = sum(x) / n; population SD = sqrt(sum((x - mean)^2) / n)
Assumption: All entered values are numerical observations from the same data set and receive equal weight.
Worked example
Descriptive Statistics Calculator
For 4, 7, 9, 10 and 10, the mean is 40 / 5 = 8 and the median is 9.