Can you work out the average speed of the van?
Can you work out Ali's age based on the diagram?
How does Snow White need to change her result after the mix-up?
What is the largest that the mean of these numbers could be?
Find the value of $m$ from these statements about a group of numbers
Minnie trained more for the London Marathon this year, so her speed increased. By what percentage did her time decrease?
Does weight confer an advantage to shot putters?
Can you make all of these statements about averages true at the same time?
Given the mean and standard deviation of a set of marks, what is the greatest number of candidates who could have scored 100%?
Given a probability density function find the mean, median and mode of the distribution.
