Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
Which countries have the most naturally athletic populations?
With access to weather station data, what interesting questions can you investigate?
How well can you estimate 10 seconds? Investigate with our timing tool.
Play around with sets of five numbers and see what you can discover about different types of average...
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
Can you decide whether these short statistical statements are always, sometimes or never true?
If you have a large supply of 3kg and 8kg weights, how many of each would you need for the average (mean) of the weights to be 6kg?
Can you do a little mathematical detective work to figure out which number has been wiped out?
