The pie chart represents the distribution of fruits on display in the shop if there are 60 apples on display how many oranges are there?
If the mean of 2, 5, (x+1), (x+2), 7 and 9 is 6. Find the median
The ages of students in a small primary school were recorded in the table below.
| Age | 5 - 6 | 7 - 8 | 9 -10 |
| Frequency | 29 | 40 | 38 |
Estimate the mean
Calculate the mean deviation of the first five prime numbers.
The ages of students in a small primary school were recorded in the table below.
| Age | 5-6 | 7-8 | 9-10 |
| Frequency | 29 | 40 | 38 |
Estimate the median.