Buying a New Phone: Sampling
If Laurel was interested in what proportion of the U.S. population could bend a WePhone 10S at least 1 degree with their hands, which group would serve as a better sample?
This exercise is part of the course
Causal Inference with R - Experiments
Exercise instructions
Perfect strangers in Laurel's neighborhood,Perfect strangers across the world,Perfect strangers in Laurel's town,Perfect strangers across the U.S.
Hands-on interactive exercise
Turn theory into action with one of our interactive exercises
Start Exercise