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Simple Explanations of Basic Statistics Concepts (Part 2)
Simple explanations of different statistics concepts
Introduction
In Part 1: Simple Explanations of Basic Statistics Concepts, I explained the fundamental ideas behind some statistical concepts, including different definitions relating to population and sample, sampling methods, and confidence interval. Today, I will provide you with additional explanations of several frequently encountered statistical topics. Hopefully, this is a simple tutorial even for those who are not familiar with statistics.
Now, let’s dive in!
Variability
What is variability & Why does it matter?
When talking about variability, you are talking about how spread out the data is. The median and mean are not designed for this since they simply reveal the range in which the majority of your data values fall.
Do you still remember the example of my family’s lemon farm from Part 1 ^^? In this section, I’ll bring my lemon farm up once again. Each year, my family has to harvest lemons twice in January and September. The distribution of the lemons’ weights for each harvest season is shown below. At the first glance, we can see the average weights of…
