Chapter 1 & 2
population : In statistics, we are interested in obtaining information about a total collection of elements, which we will refer to as the “population”
Def. “Sample mean” :=
Def. “Sample variance”
Def. “Sample standard deviation”
Def. 2.4. “Chebyshev’s inequality”
proof.
2.6 Paired datasets and the sample correlation coefficient.
Def. The smaple correlation coefficient