Work out the four-point moving averages for this information. The first three have been worked out for you. (2 marks) £83 £86 £88 _£____________ Use the moving averages to describe the trend. (1 mark) _______________________________________________________ 30 students took a test. The table shows information about how long it took them to complete the test. Time (t minutes) Frequency 0 < t 20 5 20 < t 26 7 26 < t 30 8 30 < t 40 6 40 < t 50 4 On the grid, draw a frequency polygon for this information. (2 marks) The table gives information about the ages of 160 employees of an IT company. 6.
Work out the four-point moving averages for this information. The first three have been worked out for you. (2 marks) £83 £86 £88 _£____________ Use the moving averages to describe the trend. (1 mark) _______________________________________________________ 30 students took a test. The table shows information about how long it took them to complete the test. Time (t minutes) Frequency 0 < t 20 5 20 < t 26 7 26 < t 30 8 30 < t 40 6 40 < t 50 4 On the grid, draw a frequency polygon for this information. (2 marks) 6. The table gives information about the ages of 160 employees of an IT company.
QQQ-GCSE-LargeDataSets.docx