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Types of statistical tests
23.04.23 Regression Time to read: 8min

Simple Linear Regression – How to Use It

This article is about simple linear regression, a statistical technique used to model the relationship between two variables, typically a dependent and independent variable. This...
15.04.23 Regression Time to read: 9min

Linear Regression in R – A Step-By-Step Guide With Examples

Linear regression refers to a regression model that applies a straight line for describing the correlation between variables. Linear regression finds the line of...
08.04.23 Types of ANOVAs Time to read: 5min

ANOVA in R – How to Use It

ANOVA is a test used in statistics to estimate the changes experienced by quantitative dependent variables based on the levels of one or more...
04.04.23 Types of chi-square Time to read: 5min

Chi-Square Goodness of Fit Test – Formula & Examples

The chi-square goodness of fit test determines if the observed proportions drawn from a random sample follow the suggested theory. Statistical analysts use the...
02.04.23 Types of chi-square Time to read: 9min

Chi Square Test of Independence – Guide & Examples

The chi square test of independence is a statistical test used to determine whether two categorical variables are associated or independent. It is useful...
23.03.23 Types of ANOVAs Time to read: 7min

Two-Way ANOVA — Definition & When to Use It

Two-Way ANOVA is a statistical technique used to analyze the effects of two independent categorical variables on a continuous dependent variable. Two-Way ANOVA– In a...
22.03.23 Types of ANOVAs Time to read: 5min

One-Way ANOVA – When and How to Use It with Examples

ANOVA, known in full as, Analysis of Variance, is a statistical test that helps researchers discover and analyze the differences of the mean values...
18.03.23 Types of chi-square Time to read: 5min

Chi-Square Tests (X2) – Types and Examples

Chi-square tests are used to test hypotheses on the distribution of observations. Various types of chi-square tests are used to determine if your data...
26.02.23 Regression Time to read: 5min

Multiple Linear Regression – Definition and Calculations

Several independent variables are always connected to the dependent variable (y) of concern. If this correlation can be calculated, it could allow us to...
09.02.23 Effect size Time to read: 6min

Coefficient of Determination (R²) — Definition & Interpretation

The coefficient of determination (R²) is a statistical measure that shows the proportion of variation in a dependent variable explained by an independent variable....
14.01.23 Hypothesis testing assum... Time to read: 5min

Skewness – Definition, Types & How to calculate It

When taking a statistics course, you'll come across the term skewness, which is vital in calculations and real-life applications. This article discusses the three...
29.12.22 Correlation Time to read: 5min

The Correlation Coefficient – Meaning & Calculations

In statistical research, you very often have to determine the correlation between two variables. In other words, how strong the correlation between two or...
30.11.22 Correlation Time to read: 6min

Pearson Correlation Coefficient – A Simple Guide & Examples

The best and most common method for measuring linear correlation is using the Pearson correlation coefficient. This is a significant formula in experimental research. This article...
28.11.22 Effect size Time to read: 7min

Effect Size – Explanation, Significance & Examples

Any quantitative academic study or experiment, which involves a comparison between two or more variables, requires a means of determining how substantially different these...
14.11.22 Types of statistical tes... Time to read: 6min

Statistical Tests – Explanation of the Different Types & Examples

Statistical tests are used in probability research. They are used by researchers to confirm whether a data set sufficiently supports the hypothesis of the...
30.09.22 Types of statistical tes... Time to read: 5min

T-Test – Definition, Formula & Examples

The test statistic measures how far a parameter's estimated value deviates from its hypothesized value relative to its standard error. This test uses the...
26.07.21 Types of ANOVAs Time to read: 6min

ANOVA – Analysis of variance

To the students out there, have you ever been ranked with other students or other schools? Did you understand the purpose behind the ranking...