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statistical significance
- In statistics , a number that expresses the probability that the result of a given experiment or study could have occurred purely by chance. This number can be a margin of error (鈥淭he results of this public opinion poll are accurate to five percent鈥), or it can indicate a confidence level (鈥淚f this experiment were repeated, there is a probability of ninety-five percent that our conclusions would be substantiated鈥).
Example Sentences
"This is essentially no difference," Prof Appleby says in his report, "taking account of expected fluctuations in small numbers, and would not reach statistical significance."
鈥淚 mean, that would be foolish, but I don鈥檛 think that has the compelling percentage or likelihood or even the statistical significance.鈥
An important caveat on that YouGov data: Because YouGov didn鈥檛 provide information on the statistical significance of the change, that rise could be a random fluctuation, rather than a real trend.
The only other nationally representative study, this time of Canadians, found that people in open relationships reported slightly lower relationship satisfaction than did those in monogamous relationships, but this difference didn鈥檛 reach statistical significance, so it鈥檚 tough to say if it鈥檚 real.
The often anonymous posts draw attention to potential image manipulation, data duplication, and mislabeling of figures, and question the statistical significance of results.
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