The Internet Has Massively Broadened Career Possibilities
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View AllSample statistic bias worked example | Sampling distributions | AP Statistics | Khan Academy
We’re told Alejandro was curious if sample median was an unbiased estimator of population median. He placed ping pong balls numbered from 0 to 32, so I guess that would be what, 33 ping pong balls in a drum and mixed them well.
Note that the median of th…
Early Silk Road | World History | Khan Academy
[Instructor] In our study of world history, we have looked at many different empires, and several of them are depicted on this map right over here. We spent a lot of time on the Roman Empire, and in the highlighted yellow, you see the Roman Empire at roug…
College Board's Lorraine Hastings on preparing for the SAT during school closure | Homeroom with Sal
Hello! Welcome to our daily homeroom live stream. For those of y’all who are new to this, this is a live stream that we’re doing every day, as the name implies, to keep us connected and answer questions and figure out ways to support each other during the…
2021 YC Top Companies on Their Startup Journey
I’ll start with the introduction.
“Why don’t you introduce yourself and your company?”
“My name is Nikki Gulimas. I’m the co-founder and CEO of Nova Credit.”
“My name is Olu Bengala. I’m the co-founder and CEO of Flora Weave.”
“My name is Amir Nathu, …
TIL: Lionfish Jewelry Can Help Save the Ocean | Today I Learned
There are a ton of fish in the sea, but there is one fish in particular that we are working very hard to take out, and that is the invasive lionfish. Lionfish were introduced off the coast of South Florida in the mid-1980s. Lionfish are prolific breeders;…
15 Ways to Avoid Sounding Stupid
If you had to choose between saying a two-syllable word or a four-syllable word to sound smart, which one would you choose? It might sound counterintuitive, but choosing the four-syllable word will make you sound kinda dumb compared to choosing the two-sy…