Statistics

Probability, mean, median, and z-scores.

Mean, Median, Mode

Central Tendency.

Average Calculator

Arithmetic, Geometric, Harmonic.

Standard Deviation

Population & Sample SD.

Box Plot Maker

Box & Whisker, 5-Number Summary.

Histogram Maker

Frequency Distribution.

Scatter Plot

XY Correlation Graph.

Pie Chart Creator

Create pie charts.

Probability Calculator

Calculate probabilities.

Circular Perm

(n-1)! arrangements.

Comb w/ Replace

n+r-1Cr calculation.

Combinations (nCr)

Standard combinations.

Descriptive Stats

Full summary of data.

Lottery Odds

Chances of winning.

Odds Calculator

Probability vs Odds.

Percentile Calc

Find nth percentile.

Quartile Calc

Q1, Q2, Q3.

Permutations

nPr arrangements.

Perm w/ Replace

n^r arrangements.

Z-Score Calc

Standard score.

Sample Size

Survey size needed.

Confidence Int

Margin of error.

P-Value Calc

Significance test.

Variance Calc

Data spread.

Stem & Leaf

Data visualization.