Data Visualisation and descriptive statistics Flashcards
1
Q
Positively skewed?
A
tail towards right
2
Q
Negatively skewed?
A
tail towards left
3
Q
Sample Variance?
A
1/n-1 sum of (x − x̄)^2.
Positively skewed?
tail towards right
Negatively skewed?
tail towards left
Sample Variance?
1/n-1 sum of (x − x̄)^2.