Level of significance refers to the statistical probability required by scientists to say it is unlikely that an observed characteristic of a sample is due to chance rather than being true of the underlying population.
This probability is usually p < .05 or p < .01.
--->Alpha level.
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(#)The daily puzzle:
What does '*****' mean in the following text?
"***** refers to an inner feeling of excessive restlessness which provokes the sufferer to fidget in their seat or pace about"
The answer and more
