1 out of 3
Have a look at this data from the RSPB 2011 Birdwatch. What can you say about the data?
1 out of 3
Can you find the missing number(s)? The square is the average (mean) of the numbers surrounding it.
2 out of 3
1 out of 3
If you are given the mean, median and mode of five positive whole numbers, can you find the numbers?
1 out of 3
Invent a scoring system for a 'guess the weight' competition.
1 out of 3
Can you find sets of numbers which satisfy each of our mean, median, mode and range conditions?
1 out of 3
Anna, Ben and Charlie have been estimating 30 seconds. Who is the best?
2 out of 3
Play around with sets of five numbers and see what you can discover about different types of average...
3 out of 3
Start with two numbers and generate a sequence where the next number is the mean of the last two numbers...
1 out of 3
Can you decide whether these short statistical statements are always, sometimes or never true?
