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1.
| |
(i)
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(ii)
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(iii)
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(iv)
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|
a. median
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5
|
200.5
|
24
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20.2
|
|
b. mode
|
9
|
201
|
24
|
None
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|
c. mean
|
5.11 (to 3 s.f.)
|
200
|
26.4
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22.9 (to 3 s.f.)
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2. a. Mean = 90
b. Mode = 81
c. Median = 90
The mode is not an average that is representative of the scores.
3. a. $306.68
b. $312.45
4. The mean number of visitors is 1 463 654
5.
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Mean
|
Median
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Mode
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| Mathematics |
53.25
|
56
|
45
|
| English |
61.55
|
56
|
47
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The results in English would appear to be better overall than the mathematics marks. Because the medians are the same, there must be more higher marks and fewer lower marks.
6. a. $24 900
b. $2129.17
c. 11 golfers
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