Statistical Calculator
Perform statistical analysis with our comprehensive calculator. Calculate mean, median, mode, standard deviation, variance, and more for any dataset.
Category: Math
You can copy and paste data from spreadsheets or CSV files
Frequently Asked Questions
What statistical measures does this calculator provide?
Our statistical calculator computes key measures including mean (average), median, mode, range, variance, standard deviation, quartiles, minimum, maximum, sum, and count of data points. It provides a comprehensive statistical summary of your data set.
How do I enter data into the statistical calculator?
Simply enter your data as numbers separated by commas, spaces, or line breaks in the input field. You can copy and paste data from spreadsheets or text files. The calculator will automatically process your data and generate results.
What's the difference between population and sample statistics?
Population statistics describe the entire group being studied, while sample statistics are calculated from a subset of the population. The main difference in calculation is that sample variance and standard deviation use n-1 in the denominator (Bessel's correction) instead of N to provide an unbiased estimate.
How can I interpret the quartile values?
Quartiles divide your data into four equal parts. The first quartile (Q1) is the value below which 25% of observations fall. The second quartile (Q2) is the median (50%). The third quartile (Q3) is the value below which 75% of observations fall. The interquartile range (IQR = Q3-Q1) helps identify outliers and assess data spread.