Here's the data revision sheet we did in class.And here's the answers:
1a) 8 (b) 7 (c) Boys have a higher median so did better on average. Boys have a smaller range so were more consistent.
2) 19 (3) 6.0 hours
4) a) i) 154 ii) 179
5) Approx 43
7a) 34 seconds (c) 11 (d) Girls had a higher median so we slower on average. Boys had a smaller range so were more consistent.
8) b) £240 (c) Men spent more on average than women
9) Table: 35, 18, 22, 12
10) 23.3
Probability: (1) 80 (2) 1/12 (3) No. 200 times is double what you’d expect.
4a) 0.52 (b) 0.28
5) 3/8 (6a) 2% (b) 92.5%
7) 7/18 (8a) 0.455 (b) 0.2675