Statistics+and+Graphs

Statistics and Graphs

1. Find the mean age of people in the class. Make sure you include the teacher. Now calculate the median age in the class. What is the more useful statistic?

2. Test your understanding of mean, median, mode and range on this website: http://au.ixl.com/math/year-8/interpret-charts-to-find-mean-median-mode-and-range

3. Complete Question 4, 5 and 6 on p489 of the Maths book. Before doing so read about entering formulas into a spreadsheet in Question 7. See whether you can do this for one of the questions 4, 5 or 6.

4 . Exercise 14H. Do question 2 and, if up to it, 4 on page 493