Posts by JDM Educational Staff

Algebra. If you’re in high school or beyond, then you’ve certainly studied your fair share of algebra. A common question that students pose to teachers is, “when are we going to use algebra in...

Finding the quartiles for a set of numbers helps us to get a sense of how the data is spread out.  Microsoft Excel can find the quartiles (Q1, Q2, and Q3) for any set of values you choose as...

Finding the correlation coefficient for two groups of numbers helps us to figure out how the data sets are related – and may also help us to make predictions.  Microsoft Excel can find the...

Finding the mode (or “most often seen” value) of a set of numbers helps us to find the most likely outcome in a probability distribution.  Microsoft Excel can find the mode for any set of...

Finding the median (or “middle” value) of a set of numbers is used in many contexts, including economics, population studies, and research.  Microsoft Excel can find the median for any set...

Finding the mean (or average) of a set of values is used in many contexts, including business, finance, and research.  Microsoft Excel can find the mean for any set of values you choose as...