Key Points Non-normal data is data that does not fall within a normal distribution. You can utilize techniques like the Box-Cox method to get the data within normality. Understanding how to use ...

All data points have an equal influence on the median. Before we looked at this distribution of CPCs throughout one month, all we knew was that the average click cost was $6.82.

The data in a histogram are usually divided into bins that define the values ranges represented by each bar in the histogram. For example, if the data contain a range of ages from 1 to 80, and the ...

Using a scatter chart automatically plots the ranges against their frequencies, but using a column graph creates a familiar histogram type chart. Open Microsoft Excel and list your data in column A.

MIT researchers have just shown that it only requires four data points (the dates and times of purchases) from a 30 day database of credit card purchases by 1.1 million people to identify 90 ...