Topic in Mathematics
Make sense of data: averages and spread, reading real-world charts and tables, and spotting the difference between correlation and cause.
Part of Mathematics: 3 quizzes.
3 quizzes
Mathematics · Statistics & Data Analysis
Go beyond reading values: calculate averages and percentage changes from charts, work out pie-chart angles, find the interquartile range, combine weighted scores and spot misleading graphs. Statistics the way analysts use it.
Mathematics · Statistics & Data Analysis
Ice-cream sales, museum visitors, a day in someone's life and the pets in a class: four real-world charts, each hiding facts to find. Compare, total, convert to fractions and percentages, and work out pie-chart angles.
Mathematics · Statistics & Data Analysis
Three kinds of average, and each tells a different story. Learn when to use the mean, median and mode, find the range, see how one extreme value can drag the mean off course, and read averages from a frequency table.