Introduction to the Chi-Square Test & how it is performed A chi-squared test is written as the χ² test, which is a statistical analysis hypothesis testing method.…
Two Sample test The two-sample test is widely utilised to determine while two population means are similar. It is mostly used hypothesis tests in Six…
What Is Factor Analysis and How Does It Simplify Research Findings? In statistical analysis, factor analysis tools for analysing the factors and is significant in the data…
Common statistical tools in research and data analysis Descriptive Statistics Descriptive statistics provide a summary of the main characteristics of a dataset. These include mean,…
Trade-off between Type I and Type II errors The Type I and Type II error rates influence each other. That’s because the significance level (the…
Error in statistical decision-making Using hypothesis testing, you can make decisions about whether your data support or refute your research predictions with null and alternative hypotheses.…
What does a correlation coefficient tell you? Correlation coefficients summarize data and help you compare results between studies. Summarizing data A correlation coefficient is a descriptive statistic. That…
What is the Pearson correlation coefficient? The Pearson correlation coefficient (r) is the most widely used correlation coefficient and is known by many names: Pearson’s r…
What is right skew (positive skew)? A right-skewed distribution is longer on the right side of its peak than on its left. Right skew is…
Types of descriptive statistics There are 3 main types of descriptive statistics: The distribution concerns the frequency of each value. The central tendency concerns the averages of the values.…