Page 34 - 01-Yr5_Front cover-ccp.indd

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• A day at the beach • • • • • • Hours of sunshine • • •
Here are the results of o survey on the oge of people on the beach.
This graph shows the number of hours weekcommenclng3July
l.J:ll Calculate the mean age in years of each group. of sunshine (to the nearest hour) ~=M•H410~
When you need to, round the age to the nearest year. in a seaside resort for a week. PAGE 63
6JJl-=---l'l J!!\l?~Ti< b Which days are above K
a Calculate the mean number
of hours of sunshine
for one day.
the mean?
c What is the range? 3 '.co .
d l(Vould this be o good week • 2
for a holiday?
Explain what you think.
weekcommencing10July
11
10
Now do the same for this graph
~ ®!
for the following week.
3 .
3 Explain which week you y;ould 2
prefer for your holiday and why.
M Tu W Th' F So Su ~
Ra! i;:1
~1Q j~ ~
Sunlto --C-HA_L_L-EN_G_E--------------------....
Arun e
Kopll 5
• For the next week, the mean number of hours of
sunshine for a day was 6 hours. ~
• Only two days hod the same amount of sunshine
• No doy had more than 12 hours of sunshine
Mean age: 12 years Median age: 11 years • Design o suitable graph.
Modal age: 10 years Range: 6 years '-
rn rn
group a: 7 years group b: 17 years group c: 20 years a 8 hours b Tuesday, Wednesday and Sunday c 3 hours
group d: 70 years group e: 7 years group f: 26 years
d Open: do you think it is a good week for a holiday?
Challenge
[gJ
1 0 years, 10 years, 11 years, 13 years, 16 years
a 8 hours b Monday, Tuesday, Friday, Saturday and Sunday c 12 hours
d Open: do you think it is a good week for a holiday?

Open: explain which week you'd prefer to go on holiday and why.

Challenge
Open: design a suitable graph with hours of sunshine consistent with the
data given. Possible solution:
Monday: 7 hours Tuesday: 5 hours Wednesday: 0 hours
Thursday: 0 hours Friday: 10 hours Saturday: 12 hours
Sunday: 8 hours