Statistics - Stage 4
Olympic Triathlon
Is it the fastest swimmer, the fastest runner or the fastest cyclist who wins the Olympic Triathlon?
Picturing the World
How can we make sense of national and global statistics involving very large numbers?
Perception Versus Reality
Infographics are a powerful way of communicating statistical information. Can you come up with your own?
Box Plot Match
Match the cumulative frequency curves with their corresponding box plots.
For Richer for Poorer
Charlie has moved between countries and the average income of both has increased. How can this be so?
Which List Is Which?
Six samples were taken from two distributions but they got muddled up. Can you work out which list is which?
Acceptance Rate
The mean number of students has changed, so how many students applied to a school?
Mean Median
Can you work out the median weight of these children from the given means?
Possible Range
The median of a set of five positive integers is one more than the mode and one less than the mean. Can you find the largest range possible?
Mean Balance
Given information about the mean, can you work out the missing numbers?
Pay Attention
If some of the audience fell asleep for some of this talk, what was the average proportion of the talk that people heard?
Smallest Range
What is the smallest possible range that these 4 integers could have?
Changing Averages
Find the value of $m$ from these statements about a group of numbers
Maximum Mean
What is the largest that the mean of these numbers could be?
Very Average
If each number in this list is the average of the two numbers before it, what is the value of a?
Beta Rovers
Can you find the mode and median number of goals scored by Beta Rovers?
Gamma City
Can you find the mode and median number of goals scored by Gamma City?