Examlex
A Type II error is made when we reject the null hypothesis and the null hypothesis is actually false.
Deviations
Differences between observed values and the average or expected values in a data set.
Median
The middle value of a data set, where half the numbers are below and half are above this value.
Mean
The average of a set of numbers, calculated by summing all the numbers and then dividing by the count of those numbers.
Frequency Distribution
A summary of data showing how often each value occurs.
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