He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School for Social Research ... A data set provides statistical significance ...

This calculation can be used for hypothesis testing in statistics ... is a significant difference between the means of two groups and how they are related. T-tests are used when the data sets ...

How do statistics so often lead scientists to deny differences ... significant result and the other did not. These errors waste research efforts and misinform policy decisions. For example ...

Here’s an example from leukaemia research ... study, statistical significance indicated by a p-value of less than 0.05 means that, in the case where there was no real difference between groups ...