ESSENTIAL MATERIALS FOR USMLE STEP 1, 2CK, & 3 JOURNEY
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* The correlation coefficient (~25 min mark) isn't explained well and I acknowledge this. The main point to get across was the positive (line upwards to right) versus negative (line downward to right) directions. How tightly the dots correlate to the line is not explained in this video. +1 or 1 means the dots are "tightly" speckled on the line. Any number in between (ie. .3, .2 etc...) and the dots are "loosely scattered". (see 2020 video for clarification)*

Feel free to email me at [email protected] for notes or you can go to https://www.coastalmdlive.com/biostats/ to download. Good luck on exams!!

Randy Neil, MD