Standardized Mean Difference:
The standardized mean difference is the difference between two normalized means – i.e. the mean values divided by an estimate of the within-group standard deviation . The standardized mean difference is used for comparison of data obtained at different scales.
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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