Sampling is the process of selecting a portion or subset of a larger group, called the population...

Statistics is a field of study concerned with collection, organization, summarizing and analysis of data and drawing inferences...

Measures of variability is used to know how much a dataset scores differ from each other and from the center...

A confidence interval is a range of values that is likely to contain a population parameter (e.g. μ) with a certain level of confidence...

In this article, we perform a ANOVA analysis using SPSS and how to interpret the ANOVA and LSD test results

Data is defined as "factual information" and this information could be numbers, characters, images, or other method of recording...

Understanding shape of data is a very important step in data analysis. It helps to see where the most information is lying and to find...

Simple linear regression is used to predict the unknown Y scores based on the X scores. In multiple linear regression, we use two or more in

A paired sample t-test is used to determine if there is a significant difference between the means of two groups but these two groups...

A chi-square test is a statistical procedure used to compare observed results with expected results. The main purpose of this procedure...

The two-way ANOVA is used when we want to know how two independent variables (factors), in combination, affect a dependent variable...

Linear regression and correlation are closely related subjects in which both are commonly used methods for examining the relationship...