Biology experiment evaluation, terminology question?
What is the technical term for when two experiment results approach a mean value of 50% (or three to a value of 33.33% each, four to a value of 25% each, etc.)?
Given a test procedure, someone can always choose between two options.
If both options are chosen exactly 50% of the time in a large experiment, then neither option makes a difference.
Even if one option is chosen 45% and 55% of the time, this still does not provide a meaningful result that one option is chosen more often than the other, since it is still within the standard deviation.
So what do you call this "no-matter value" where all factors are chosen equally often?
I've attached the biology problem. There you can see that when the lid is closed, the octopuses choose each option almost equally often. Whereas when the lid is open, there's a clear result as to which of the two options is preferred.
So:
What is the name given to this “mean percentage” that the results there approach?
Thank you for all answers
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In the statistics, this "average percentage" at which the results approximate is referred to as "significance". If the results of an experiment come close to a certain value, that means that they are statistically significant and that there is a significant deviation from this value. An example of such a value would be the "Golden Center" or the value of 50%, as in your example. If the results of an experiment approach a value of 50%, this means that there is no significant deviation from this value and that the results are not meaningful.