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Re: Protector post# 112374

Monday, 02/18/2013 2:22:56 PM

Monday, February 18, 2013 2:22:56 PM

Post# of 346687
Something is statistically significant if the null hypothesis can be rejected. For those of you who slept through statistics, lord knows I had a few of those in the classes I taught, here is a definition. There will be a test sometime in the future, LOL.......

"Statistical significance is a statistical assessment of whether observations reflect a pattern rather than just chance. When used in statistics, the word significant does not mean important or meaningful, as it does in everyday speech; with sufficient data, a statistically significant result may be very small in magnitude.

The fundamental challenge is that any partial picture of a given hypothesis, poll or question is subject to random error. In statistical testing, a result is deemed statistically significant if it is so extreme (without external variables which would influence the correlation results of the test) that such a result would be expected to arise simply by chance only in rare circumstances. Hence the result provides enough evidence to reject the hypothesis of 'no effect'."
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