When my children finally are ready to learn physics, chemistry, biology, I’m going to make sure they see the best visualizations out there. Too often people are expected to imagine stuff like this in their head after studying the equations and concepts.
Admittedly, a detailed report about survey methodology isn't for everyone. But this new @pewresearch study has some hilarious examples of "trap questions" used to weed out bogus survey respondents. 10% said they've visited the International Space Station. https://t.co/Vb6wzjCk4O
@TheEconomist My guess is that the effect in the lower tail is driven by small, rural communities. Then the take away is that republicans are more anxious. Less exciting, but likely more accurate.
Statistical inference is using a sample of data to answer questions about the population it came from.
Population
All students attending a university
Sample
200 students from that university
#statistics