Hypothesis:
A (statistical) hypothesis is an assertion or conjecture about the distribution of one or more random variables. For example, an experimenter may pose the hypothesis that the outcomes from treatment A and treatment B belong to the same population or distribution. If the hypothesis completely specifies the distribution of the random variable, then it is said to be a simple hypothesis. Otherwise, the hypothesis is a composite hypothesis.
Planning on taking an introductory statistics course, but not sure if you need to start at the beginning? Review the course description for each of our introductory statistics courses and estimate which best matches your level, then take the self test for that course. If you get all or almost all the questions correct, move on and take the next test.
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