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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...
Pfaffl results graph

How To Perform The Pfaffl Method For qPCR

What is the Pfaffl method? The Pfaffl method, named after it's curator Michael Pfaffl, is used to calculate relative gene expression data while accounting for...
Standard curve BCA assay

How To Create A Linear Standard Curve In Excel

In this guide I will explain how to create a linear standard curve using Microsoft Excel and how to use it to calculate unknown...

How To Test Data For Normality In SPSS

The very first thing you should do before performing any statistical test, is to see whether your data is normally distributed. Normality testing in...

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 Use The Standard Error Formula

In this guide I will explain what the standard error formula is and how to use it to work out the standard error through...

How To Perform A One-Way ANOVA Test In SPSS

This guide will explain, step by step, how to perform a one-way ANOVA test in the SPSS statistical software by using an example. The...

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 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 Calculate The Coefficient Of Variation (CV)

What is the coefficient of variation? The coefficient of variation (CV) is a measure of precision from repeated measures. Within the lab, it is mainly...

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