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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## Mean and Standard Deviation Calculator

Instructions: Enter the sample data below and the solver will provide step-by-step calculation of the sample mean, variance and standard deviation: Type the sample (comma or space separated) Name of the variable (Optional) More About Descriptive ...

## Confidence Interval Calculator for the Mean (Unknown Pop. Standard Deviation)

Instructions: This calculator computes a confidence interval for the population mean \(\mu\), in the case that the population standard deviation \(\sigma\) is not known, and we use instead the sample standard deviation \(s\). Please type the sample ...

## T-test for One Population Mean

Instructions: This calculator conducts a t-test for one population mean (\(\sigma\)), with unknown population standard deviation (\(\sigma\)), for which reason the sample standard deviation (s) is used instead. Please select the null and alternative ...

## Line Chart Maker

Instructions: Create a line chart plot using the form below. All you have to do is type Y data (and optionally your X labels). Also, you can add a title a name to the axes. Y data (comma or space separated) X data (comma or space separated) Type the ...

## Chi-Square Test of Independence

Instructions: This calculator conducts a Chi-Square test of independence. Please first indicate the number of columns and rows for the cross tabulation. Then type the table data, the significance level, and optionally the name of rows and columns, ...

## Time Series Plot

Instructions: Create a time series plot using the form below. All you have to do is type Y data (and optionally your time stamp). Also, you can add a title a name to the axes. Y data (comma separated) Time data (comma separated) Type the title ...

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