Statistics & Data Calculators

Basic Probability is evaluated from Favorable Outcomes, Total Possible Outcomes and Favorable Outcomes. The calculation reports P, P as% and P Complement.

Mean is evaluated from Number 1, Number 2 and Number 3. The calculation reports Count, Sum and Mean.

Sample Size is evaluated from Confidence Level, Margin of Error and Expected Proportion. The calculation reports Required Sample Size and Adjusted n.

Conditional Probability is evaluated from P - Joint Probability, P - Probability of Event B and P - Probability of Event A. The calculation reports P - Probability of A given B, P as% and P - using Bayes.

Margin of Error is evaluated from Sample Size, Confidence Level and Sample Proportion. The calculation reports Margin of Error, Confidence Interval Lower and Confidence Interval Upper.

Median is evaluated from Number 1, Number 2 and Number 3. The calculation reports Count, Median and Mean.

Spearman Rank Correlation is evaluated from X1, Y1 and X2. The calculation reports Spearman rs, Number of Pairs and Interpretation.

Mode is evaluated from Number 1, Number 2 and Number 3. The calculation reports Mode, Modal Frequency and Distribution Type.

R-Squared is evaluated from Actual Y1, Predicted Ŷ1 and Actual Y2. The calculation reports R-Squared, Variance Explained and SS Residuals.

Range is evaluated from Number 1, Number 2 and Number 3. The calculation reports Minimum, Maximum and Range.

T-Test is evaluated from Sample Mean, Hypothesized Population Mean and Sample Standard Deviation. The calculation reports t-Statistic, Degrees of Freedom and Standard Error.

Poisson Distribution is evaluated from Average Rate - mean number of events in interval and Number of Events. The calculation reports P - Exactly k events, P - At most k events and P - At least k events.

Exponential Distribution is evaluated from Rate Parameter - events per unit time and Time Value. The calculation reports P - Probability within time x, P - Probability beyond time x and Mean.

Dice Roll Probability is evaluated from Number of Dice, Faces per Die and Target Sum. The calculation reports P, P as% and Total Outcomes.

Lottery Odds is evaluated from Lottery Game, Pool Size and Numbers to Pick. The calculation reports Jackpot Odds, Probability and Expected Value per $1 ticket.

Percentile is evaluated from Number 1, Number 2 and Number 3. The calculation reports Percentile Value, Values Below and% of Values Below.

Coin Flip Probability is evaluated from Number of Flips and Desired Number of Heads. The calculation reports P, P and P.

Five Number Summary is evaluated from Number 1, Number 2 and Number 3. The calculation reports Minimum, Q1 and Median.

Coefficient of Variation is evaluated from Input method, Mean and Std Dev. The calculation reports Mean, Standard Deviation and Coefficient of Variation.