In a pie-chart angles add to …
360°
What is the range of
1, 6, 7, 10, 8
9
What is the mean of
2, 5, 3, 4, 6
4
What is the median of
2, 6, 7, 3, 7
6
What is the mode of
5, 6, 7, 5, 9
5
What correlation?

Positive Correlation
What correlation?

No correlation
What correlation?

Negative correlation
Probabilities add to …
1
If the probability of someone getting a C is 19/20, what is the probability that they don’t get a C?
1/20
Probabilty of something OR something else
Add the probabilities
Probability of something AND something else
Multiply the probabilities