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# Category: Probability & Statistics

link to What Is The Central Limit Theorem? (3 Key Ideas To Grasp)
link to What Does A Histogram Show? (3 Helpful Ideas To Learn)
link to How To Interpret Standard Deviation (3 Key Concepts To Know)
link to Standard Deviation vs Standard Error (3 Key Concepts To Know)
link to When Does Mean Change? (3 Things To Know About Increases & Decreases)
link to What Is A Skewed Distribution? (5 Key Things You Should Know)

In statistics, we want to consider many members of a population at once, as a whole (rather than only one or a few members). When we take a large enough sample from a population, the central...

Histograms are often used in data analysis and statistics to represent a given set of values. However, this still raises the question of what exactly a histogram tells us. So, what does a...

How To Interpret Standard Deviation (3 Key Concepts To Know)

It is one thing to calculate a standard deviation from a data set. However, it is another to interpret it and find out what it is telling you about a data set. So, how do you interpret...

Standard Deviation vs Standard Error (3 Key Concepts To Know)

In statistics, we describe data sets using both standard deviation and standard error of the mean (also called standard error). Although these two terms sound similar, there are some key...

When Does Mean Change? (3 Things To Know About Increases & Decreases)

Are you trying to figure out what happens to the mean of a data set when you add or remove a point? The change in the mean really depends on how the data point relates to the original...

What Is A Skewed Distribution? (5 Key Things You Should Know)

Many of the distributions we work with in real life will be somewhat skewed, without the symmetry that we see in a normal distribution. So, what is a skewed distribution? A skewed...