1. Range: 82 - 46 = 36 Mode: 82
Mean: 74 + 46+ 82 + 67 + 80 + 82 + 77 + 80 + 77 + 66 + 54 + 53 + 59 + 74 + 78 + 82 + 59 + 68 + 71
= 1411 / 20
= 70.55
2. Year
Range: 2002 - 1999 = 3 Mode: No Mode
Mean: 1999 + 2000 + 2001 + 2002
= 8002 / 4
= 2000.5
Amount
Range: 22 - 16 = 6 Mode: No Mode
Mean: 19 + 22 + 17 + 16
= 74 / 4
= 18.5
We went over the graphs and charts in class today. Students should understand there is more than one way to display their data. They have examples in their notes to study from tonight. Good luck!
