# Category Inferential Statistics

Make predictions about populations using our guides on inferential statistics and hypothesis testing.

## What is Homoscedasticity Assumption in Statistics?

Hey there! If you’re new to the world of statistics and research, you might’ve come across the term homoscedasticity assumption and wondered what on earth it means.  Fear not! We’re here to break it down for you in a friendly,…

## How To Test Homoscedasticity in R: 2 Easy Methods

Hey there, data enthusiasts! Today, we will learn how to test homoscedasticity in R using 2 easy to follow methods: a visual method and a statistical test. The visual method involves plotting the residuals against the fitted values, while the…

## 4 Reasons Why Independence Assumption is Important in Statistics

Today, we will talk about something really important in the world of statistics: the independence assumption. I know what you’re thinking: “Why is independence such a big deal anyway?” Well, buckle up, because we’re about to dive into the fascinating…

## What is Linearity in Statistics and Why Should You Care?

What is linearity in statistics, you may ask? Well, have you ever looked at a scatter plot and noticed a pattern that seems to form a straight line? That’s when linearity in statistics comes into play. In this article, we’ll dive…

## Mastering The Least Squares Regression Line: A Friendly and Comprehensive Guide

Are you excited to explore the secrets of the least squares regression line and get ready to dive into the captivating world of statistics and data analysis? In this journey, we’ll explore this fundamental method that helps estimate the parameters…

## Simple Example of Linear Regression in R

In this practical example of linear regression in R, we will learn how to predict the fuel efficiency of a car based on its weight. We will start by importing a dataset, calculating linear regression using the lm() function and making predictions using…

## How To Do One-Way ANOVA For Repeated Measures in SPSS

In this lesson, we are going to learn how to perform one-way ANOVA for repeated measures in SPSS. And to keep things interesting, we will spice our analysis and include between-subject and within-subject factors as well in order to make…

## How To Calculate Multiple Linear Regression Using SPSS

In this statistics lesson, we are going to learn how to calculate multiple linear regression using SPSS and interpret multiple linear regression output in SPSS. I am also going to provide you with an SPSS dataset for multiple linear regression…

## How To Calculate A Linear Regression in SPSS

Whether you are a student working on a research paper or just learning statistics for passion and wonder how to calculate a linear regression in SPSS with a few simple steps, this tutorial is for you! But we won’t stop…

## Null Hypothesis Explained: How And When To Use It

If a Null Hypothesis could talk, it would say something like this: “I have no relationship with the variables in this study.” In other words, the null hypothesis assumes that the measured phenomena [the dependent variable] and the independent variable…