How to Calculate Probability Value (P-Value) in Excel | P-Value in Statistical Hypothesis Tests

In this tutorial, you will learn how to Calculate P Value in Excel.

The p-value, short for probability value, is an important concept in statistical hypothesis testing.

It’s used in hypothesis testing to quantify the idea of statistical significance of evidence.

By running T-Test in excel, we can actually arrive at the statement whether the null hypothesis is TRUE or FALSE. Look at the below example to understand the concept practically.

We’ll be working on a hypothetical weigh loss process. First thing we need to do is calculate the difference between before diet and after diet.

Once we have the formula applied for every cell, go to Data tab and under it click on Data Analysis.

Find T.Test: Paired Two Sample for Means. Select variable range 1 and variable range 2. Leave alpha value at 0.05. Now select the Output Range, i.e., where you want to display your analysis results.

Click OK. Now let’s select the results cells for One Tail and Two Tail and click the percentage under Home tab. Add decimals if needed.

On the results, we can see that the p-value with the one-tail test is 0.64% and the p-value with the two-tail test is 1.28%.

Both results show that the p-value is lower than 5%, which means the null hypothesis is significant.

This may seem confusing at once but should be straightforward once you familiarize yourself with Excel.

❓💬 What other excel tutorials would you like us to make? Let us know in the comments below.

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