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At a political rally, there were 240 women, 200 men, 160 boys and 120 girls.
(i)
Draw a pie chart to illustrate the information.
(ii)
What percentage of the people at the rally were females?
The median of the ordered set of observations 2,3,(4m-3),(3m+1),11 and 13 in ascending order is 6. Find the value of m.
The table shows the number of marbles students sent to class for Mathematics lesson.
| Number of Marbles(x) | Number of Students(f) | fx |
| 1 | 4 | - |
| 2 | 5 | - |
| 3 | - | 42 |
| 4 | 9 | - |
| 5 | - | 30 |
| 6 | 2 | 12 |
(a)
Copy and complete the table.
(b)
How many:
(i)
students were in the class?
(ii)
marbles were brought altogether
(iii)
marbles did most of the students bring
(c)
Calculate, correct to the nearest whole number, the mean number of the marbles brought for the lesson.
The data shows the shoe sizes of learners in a school.
| 6 | 4 | 7 | 5 | 5 | 6 |
| 4 | 5 | 5 | 4 | 6 | 7 |
| 5 | 6 | 4 | 6 | 7 | 5 |
| 6 | 4 | 7 | 5 | 4 | 6 |
| 5 | 5 | 4 | 6 | 7 | 5 |
(a)
Construct a frequency distribution table for the data.
(b)
If the school supplies shoes to the learners:
(i)
which size should be purchased in large quantities?
(ii)
give reason for the answer in (b)(i);
(iii)
which size will be purcahsed in less quantities?
(iv)
give reason for the answer in (b)(iii);
(c)
Find, correct to the nearest whole number, the mean shoe size.
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