# Statistics & Maths

### What Is A Funnel Plot And How To Read Them?

In this article, I will explain what a funnel plot is, based on their use in meta-analyses, and discuss what they show. What is a...

### What Is A Z-Score And How To Calculate Them?

What is a Z-score? A Z-score, also known as a standard score, represents the number of standard deviations (SDs) a data point is away from...

### 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 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...

### How To Perform An Independent T-Test In SPSS

What is an independent t-test? An independent t-test, also known as an unpaired t-test, is a parametric statistical test used to determine if there are...

### How To Perform A One-Sample T-Test In SPSS

What is a one-sample t-test test? A one-sample t-test is a statistical procedure used to determine if there is a significant difference between the sample...

### The Hardy-Weinberg Equations And How To Use Them

What is the Hardy-Weinberg principle? The Hardy-Weinberg principle, also referred to as the Hardy-Weinberg equilibrium, is a set of 5 assumptions which when satisfied can...

### 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 Dilute New PCR Primers

In this article, I will explain how to easily prepare PCR stock primers and how to dilute them into a working primer solution. So you...

### How To Calculate PCR Primer Efficiencies

Why bother with PCR primer efficiencies? Every time you receive a new set of primers, especially when using SYBR Green chemistry during quantitative polymerase chain...