Our site contains a lot of Statistical Calculators that can greatly help you with all of your academic needs. Our solvers include Probability Calculators, Hypothesis Test solvers, non-parametric tests, etc. If you have any suggestion about solvers that should be included, please do not hesitate to contact us.

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## Outlier Calculator

Instructions: Use this outlier calculator by entering your sample data. This calculator will show you all the steps to apply the "1.5 x IQR" rule to detect outliers. These outliers will be shown in a box plot. Please press enter your sample below: ...

## Normal Probability Plot Maker

Instructions: Use this Normal Probability Plot maker by entering the sample data below and this statistics calculator will provide step-by-step calculation of the required elements to construct the required probability plot. Type the sample (comma ...

## Inverse Cumulative Standard Normal Probability Calculator

Instructions: Compute the inverse cumulative score for the standard normal probability distribution. Provide a cumulative probability $$p$$ (a value on the interval ), and the solver will find the z-value $$z$$ so that $$\Pr(Z \le z) = p$$. ...

## Power Calculator Minimum Sample Size – Testing for One Mean

Instructions: This power calculator computes, showing all the steps, the minimum required sample size ($$n$$) to reach a given target statistical power ($$1-\beta$$), when testing for a one population mean. You need to provide the significance level ...

## Power Calculator – Testing for One Mean

Instructions: This power calculator computes, showing all the steps, the probability of making a type II error ($$\beta$$) and the statistical power ($$1-\beta$$) when testing for a one population mean. You need to provide the significance level ...

## Percentile Calculator for Grouped Data

Instructions: This percentile calculator for grouped data will calculate a percentile you specify, showing step-by-step, for the grouped sample data set provided by you in the form below. Grouped data is specified in class groups instead of ...

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