Target: Calculate average, standard deviation, the sample size for several variables. Present histogram chart and average range chart
Variance calculator and standard deviation calculator.
Statistics
n -
Sample size, the number of values.
Mean -
Average.
S -
Sample standard deviation, if the list of values you entered is only a sample from the entire population, this is the best estimation for the Population Standard Deviation.
S2 -
Sample variance, if the list of values you entered is only a sample from the entire population, this is the best estimation for the Population Variance.
σ -
Population standard deviation, if the list of values you entered is the entire population, this is the exact Standard deviation.
σ2 -
Population variance, if the list of values you entered is the entire population, this is the exact Variance.
MAD -
Mean absolute deviation, the average of the absolute distances from the average.
SEM -
Standard Error of the Mean, The standard deviation of the mean.
Sample variance formula
Population variance formula
Sample standard deviation formula
S = √(sample variance)
Population standard deviation formula
σ = √(population variance)
Median Absolute Deviation (MAD) formula
Standard Error of the Mean (SEM) formula