Answer:
B
Step-by-step explanation:
it's basically divided
Plot a graph of y-axis against x-axis.
The graph should be a straight line passing through:
(-2,0.8) , (-1,-0.4) , (0,0) , (1,0.4) and (2,0.8)
Ask every fifth person that exits the school
(systematic random)
Mode means the popular number.The mode is 13.Answer is choice number three .
The other person is wrong on the bottom.
When adding the numbers and dividing how many numbers there are is called Mean.
I already learned this in school.