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notdogen

notdogen hozzászólt ekkor: 2023. szeptember 15. 15:00
Another vote for a high school chemistry course. By the way, the links above in the two-year-old message from Allison (tAG54) aren't working.
notdogen hozzászólt ekkor: 2023. szeptember 1. 13:59
That is helpful to know, Andrew, and I like the redesign. May I add a "but," however? It would be still better if Khan users could see an aggregate unique skills count on the profile page with othe...
notdogen létrehozott egy bejegyzést ekkor: 2023. augusztus 13. 23:48
Standard deviation quiz before material covered

Hi, The quiz Comparing Data Distributions in unit 2 of Statistics and Probability asks questions about standard deviation and interquartile range, but from what I can tell, those topics hadn't yet ...
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