what is statistical significance 
statistical significance is a determination made by an analyst that the results in the data are not explainable by chance alone statistical hypothesis testing is the method by which the analyst makes this determination this test provides a p value which is the probability of observing results as extreme as those in the data assuming the results are truly due to chance alone a p value of 5 or lower is often considered to be statistically significant investopedia paige mclaughlinunderstanding statistical significancestatistical significance is a determination of the null hypothesis which suggests that the results are due to chance alone a data set provides statistical significance when the p value is sufficiently small 