Grade 12 Data Managment

3. Complete the following question by hand (or electronically using a table but not using a spreadsheet formula) Mr. Baker and his wife go for daily walks in the afternoon. They keep track of the distance they have gone for each walk. The data for the past week is summarized in the table below. (you can round answers to two decimal places} Distance Walked (km) X - X ( x, - F ) 2.3 4.6 5.5 6.5 10 10.3 10.9 a) What is the population mean? (1 mark) b) Complete the table. (2 marks) c) What is the sum of the final column in the table? (1 mark) d) What is the population variance? (1 mark) e) What is the population standard deviation? (1 mark)