Sample Variance Demystified: Mastering Your Analysis with Essential Insights 101

Sample Variance

What is Sample Variance? In statistics, sample variance (s²) plays a crucial role in understanding how spread out data points are within a sample. It reflects the average squared distance of each data point in the sample from the sample mean (x̄). A higher variance indicates a wider spread of data points, while a lower … Read more

3 Measures of Central Tendency: Mean, Media, Mode

What is central tendency

What is Central Tendency? In statistics, central tendency refers to a collection of summary measures that describe the typical or average value of a set of data. It helps us understand where most of the data points cluster within a distribution. There are three main measures of central tendency: Measures of central tendency Mean (Arithmetic … Read more