# Statistics

Find guides and walkthroughs for performing statistical analyses in programmes such as IBM SPSS Statistics, GraphPad Prism and Microsoft Excel.

### How To Test Data For Normality In GraphPad Prism

In this guide, I will show you how to perform data normality tests in GraphPad Prism. Prior to any statistical analysis, the first thing...

### How To Perform T-Tests in Excel

Did you know that you can perform a T-Test in Microsoft Excel? Infact, there are quite a few ways to perform a T-Test in...

### Independent (Unpaired) T-Test Assumptions

Before performing an independent (unpaired) t-test, there are five assumptions that need to be satisfied. Failure in meeting all of the assumptions can lead...

### How To Perform A Chi-Square Test In SPSS

In this guide I will explain how to perform a chi-square test by using the IBM SPSS Statistics software. What is a chi-square test? A chi-square...

### How To Perform A Pearson Correlation In SPSS

What is a Pearson correlation? A Pearson correlation, also known as a Pearson Product-Moment Correlation, is a measure of the strength for an association between...

### How To Perform A Paired T-Test In SPSS

What is a paired t-test? A paired t-test, also known as a dependent t-test, is a statistical test used to determine if there are any...

### How To Perform A Paried T-Test In GraphPad Prism

To perform a paired (dependent) T-test in GraphPad Prism you will need to enter two groups of data into separate columns. Upon opening GraphPad...

### How To Split A File In SPSS

What is the Split File command? The Split File command is used to separate the output of SPSS tests according to a group variable. The...

### How To Perform A Mann-Whitney U Test In SPSS

What is a Mann-Whitney U test? A Mann-Whitney U test is a non-parametric alternative to an unpaired (independent) t-test to determine the difference between two...

### How To Perform A Non-Parametric Partial Correlation In SPSS

Partial correlations are great in that you can perform a correlation between two continuous variables whilst controlling for various confounders. However, the partial correlation...