Compare calculators

Both calculators run independently — change the inputs on either side to compare results.

Descriptive Statistics Calculator

Compute key summary statistics — mean, median, variance, and standard deviation — from any list of numbers. Ideal for quickly summarizing datasets in research, class assignments, or data analysis.

Data Set (comma separated)

Calculate

Data Type

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Statistics

Correlation Coefficient Calculator

Compute the Pearson correlation coefficient r and coefficient of determination R² from summary statistics of paired data. Use it to measure the linear relationship between two variables in research or data analysis.

Sum of X values (ΣX)

Sum of Y values (ΣY)

Sum of XY (ΣXY)

Sum of X² (ΣX²)

Sum of Y² (ΣY²)

Sample Size (n)

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Key differences

	Descriptive Statistics Calculator	Correlation Coefficient Calculator
Category	Statistics	Statistics
Inputs required	3	6
Result	Result	Correlation Coefficient (r)
What it does	Compute key summary statistics — mean, median, variance, and standard deviation — from any list of numbers. Ideal for quickly summarizing datasets in research, class assignments, or data analysis.	Compute the Pearson correlation coefficient r and coefficient of determination R² from summary statistics of paired data. Use it to measure the linear relationship between two variables in research or data analysis.