Examlex
The degrees of freedom in chi-square are calculated by multiplying the rows,minus one times the columns,minus one.
Mean
The average of a set of numbers, calculated by summing all numbers in the set and then dividing by the count of numbers.
Standard Normal
A special case of the normal distribution with a mean of zero and a standard deviation of one.
Random Variable
A random variable is a variable whose values depend on outcomes of a random phenomenon, used in probability and statistics to model real-world processes.
Negative Value
A numerical value less than zero, indicating a deficit or loss in a particular context.
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