Seriously wish I could send this man the money I paid towards my statistics class this semester. I learn more from watching him than I ever have at my university. Not only did his lectures help me test into statistics in the first place (skipping so many math courses, saving me so much time and money) but now they are helping me ace the class. I got a 98 on my last test and the average was a 66!! Thank you Professor Leonard, you have no idea how much you have helped me.
Your lecture videos are out of this world. No one demolishes statistics the way you do. I regret buying the recommended text book because you explain statistics VERY WELL. I watched all your videos. For me, you rendered that textbook useless. My final grade in the course was 95.5 %. I cannot thank you enough.
I'm a Psychology Major and I am useless when it comes to math. I took this course once before, 5 years ago, on line and the teacher was horrible, if I asked a question they would say... " read page..." I begged and pleaded for help to no avail and failed the course. This defeat devastated me, and I gave up on school. I just decided to go back and finish my BA, only to be faced with the same situation, only this time the teacher says... "Watch this clip". Out of frustration I utilized my detective skills and found you! Thank you! I don't believe this is a course you can learn just from reading. One actually needs class instruction. You are wonderful and you saved my bacon. Thank you, Thank you, Thank you!
Just let you know that I got 93% on the hypothesis test. Thank you so so so much, Professor Leonard!!! My professor is a shit .... you are the hero !!! God bless youuuuuu:)
One topic he doesn't cover in his videos on hypothesis testing is the concept of a Type 1 and a Type 2 error.
A Type 1 Error is when you accidentally reject the null hypothesis when it is actually true. A Type 2 Error is when you accidentally accept (fail to reject) the null hypothesis when it is actually false.
The probability of committing a TYPE 1 ERROR is alpha -- the level of significance used in the test. The probability of committing a TYPE 2 ERROR is beta -- which cannot be directly calculated.
Reddit talking about how math is killing them.. one student suggested Pro. Leonard. I got all the HW done in this section thanks to this lecture. Thank you
I plan on watching this lecture more than once because it is so valuable. Thank you for breaking it down into easily digestible parts AND for helping me conceptualize everything so that is all comes together and I actually understand WHY Iām doing something. This is going to help me keep my high GPA and scholarship. :D