Scatter graphs show the relationship between two sets of data, eg number of tourists and number of tourist facilities or weight and height. A line of best fit, or trend line, can be added to the ...

They're all around us. They're on our food, in the news, in books and on social media. Andsometimes, this big jumble of numbers can seem daunting. But I think they're 100% interesting. Andif you know ...