# T Test Calculator

To get the result, fill out the calculator form and press the Calculate button.

## What is the T Test

The correlation coefficient is a statistical measure of the strength of a linear relationship between two variables.

Its values can range from -1 to 1. A correlation coefficient of -1 describes a perfect negative, or inverse, correlation, with values in one series rising as those in the other decline, and vice versa. A coefficient of 1 shows a perfect positive correlation, or a direct relationship. A correlation coefficient of 0 means there is no linear relationship.

T Test formula

**t**denotes to sample T Test**S**is the standdard deviation_{p}**X**is the mean of X dataset_{1}**Y**is the mean of Y dataset_{2}

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