Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?
Invent a scoring system for a 'guess the weight' competition.
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?
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?
