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A distribution is a mathematical description of probabilities or frequencies.
5
votes
Accepted
How did Likert calculate sigma values in his original 1932 paper?
Thorndike's Table 22 displays the expected value of a doubly-truncated normal distribution, which can be seen as a conditional expectation given that the variate is in an interval specified by quantil …
9
votes
Accepted
How to fit a Weibull distribution to input data containing zeroes?
(As others have pointed out, a Weibull distribution is not likely to be an appropriate approximation when the data are integers only. The following is intended just to help you determine what that pre …