Math Calculators, Lessons and Formulas

It is time to solve your math problem

mathportal.org

Statistics and probability

There are 7 calculators in this category

Descriptive Statistics Calculator - Find Arithmetic mean, mode, median, minimum, maximum of a data set.

Standard Deviation Calculator - Find standard deviation, variance and range of a data set.

Probability Calculator - Finds conditional probability, union and intersection of events.

Probability Distributions - This calculator will find the mean, standard deviation and variance of a discrete probability distribution.

Z - score calculator - Find area under standard normal curve.

Normal Distribution Calculator - Enter mean, standard deviation and cutoff points and this calculator will find the area under normal distribution curve.

T Test Calculator - One sample and two sample t - test calculator.

Correlation and Regression Calculator Find Linear Correlation Coefficient and Regression Line. Calculator will generate a graph of a regression line as well as detailed explanation.