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54
• Charity run •••••••
The children of Coombe School and St John's School take part in the loco!
fun run eoch yeor. The schools have a friendly competition against each other.
Last year, 30 children from each school ran in the race. 21 25 23 20 21 19
17 19 20 16 14 13
23 14 17 18 16 17
24 20 19 18 21

•

• Write three facts which your graph tells you.
• Compare the two graphs to answer these questions.
a Which school had the first finisher in the race?
b Can you find out which school the second finisher came from?
Explain your answer.
13-15 16-18 19-21 c The team prize was awarded to the first school to have 6 finishers.
tlme(toneorestmlnute) Which school won this prize?
d Which school did the slowest finisher come from?
• a Haw many pupils ran the race in 18 minutes or under?
-
b Which class interval included most pupils?
c What is the range in times taken to run the race? II Each runner was sponsored for an average of £8·54
d Estimate the overage (mean) time taken to run the race. for the PDSA. How much did the PDSA receive? ·~
rn

a 16 pupils b 1q-21 minutes c 11 minutes d 1a-1q minutes is a Open: writing three facts shown by the graph.
good estimate.

a St John's School
Time (mins) Tally Frequency b No, because the second finisher was in the 13- 15 minute group and
10-12 I 1 both schools had runners in this group.

13-15 1111 4 c Coombe School because they had six finishers under 16 minutes, but St
John's School only had five.
16-18 tm 1111 q
d St John's School
1q-21 tm 1#1- II 12

22-24 Ill 3
25-27 I 1 £510 is a reasonable approximation. Exact total is £512·40.

Practical: drawing a graph on RM C.