Data analysis; final review
Answers are for parents and teachers.
1
Mean of 15, 18, 21 and 26?
20
2
A bus went 3 hours at 40 km/h and then 1 hour at 60 km/h. Average speed (km/h)?
45
3
Write the mode, median and range of 2, 6, 6, 10, 11.
mode 6; median 6; range 9
4
Solve: 5y + 6 = 41.
7
5
Calculate 1.2 · 0.5 + 0.4.
1