## The Mean, the Median and the Mode

The Mean, the Median and the Mode are the most common measures of central tendency, used to describe the center of a ...

## Box and Whisker Plot

The Box and Whisker Plot, or also known as Box-plot, is a type of graphical depiction of a sample, that provides easy ...

## How to Compute Z-Scores

Assume that (X) has a normal distribution, with mean (mu) and standard deviation (sigma). This is typically written ...

## Qualitative Data Analysis

Qualitative data analysis refers to one form of systematic analysis of data for the purpose of increasing knowledge ...

## Hypothesis Testing (Part 1)

Hypothesis testing represents a very important part of Statistics, and it is usually misunderstood in terms of the the ...

## Hypothesis Testing (Part 2)

Null Hypothesis Now it is time to talk a bit about the null hypothesis. We said that the main idea of hypothesis ...

## Statistics Tutorials – Z Scores

Assume that (X) has a normal distribution, with mean (mu) and standard deviation (sigma). This is typically written ...

## Properties of the Standard Normal Distribution

The normal distribution probability is specific type of continuous probability distribution. A normal distribution ...

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