Combinations are sets of objects that are unordered. Permutations were concerned with order. In a permutation the values 1234, 2341,…

A permutation is a calculation of how many ways a set can be represented. This is a simple factorial of…

Taken from the Udemy course Probability & Statistics for Business and Data Science. Consider the following question: “A company made…

To get an idea of the shape of data, we can’t use Mean, Median or Mode. Instead the Measurements of…

When we want to know averages and middle aspects of our data, we use measures of central tendency. Measures of…

x! x! refers to a factorial of x. Meaning, that if x = 5, then x! = 5*4*3*2*1 = 120.…

In Statistics there are several measuring types: Nominal Types These are predetermined categories and they can’t be sorted. An example…

While it sounds somewhat complex, a Relative Frequency Table is a two-way data table, but the values are in percentages.…

This is basic stuff, but just to get it out there, a one-way data is a dataset that requires only…