Creating good graphics is a very important part of data visualization. Data visualization is not a science this is…
We can get the numerical summary through measures of central tendency, location, and variability for numerical data. But numbers…
One of the way to measure the variability is to calculate the difference of each observation from the mean.…
We’ve discussed the mean previously about mean or average as a measure of central tendency, let’s explore two other…
To better illustrate the concepts of mean, median and mode, let’s dive into an example survey about what makes…
Mean is the one of the most commonly used measures of central tendency. It’s a powerful tool for understanding…
Describing Numerical Data In the previous articles we described two kinds of variable numerical and categorical, also known as…