Tutor Marked Assignment 2
Median and Quartiles
There are 3 questions in this section. Complete this question and pass your
answer to your tutor for marking.
Calculate the median, the other two quartiles, and the semi-interquartile
range, for the following:
| 1. |
31 22 45 24 30 33 40 19 27 22 34 26 24 |
2. |
The table shows how many faulty light bulbs there are in boxes
of six.
| No. faulty |
0 |
1 |
2 |
3 |
4 |
5 |
6 |
| No. of boxes |
47 |
53 |
20 |
8 |
5 |
3 |
1 |
|
| 3. |
This table shows the value of sales made by 80 sales persons working
for a company during a period of time:
| Value of sales (£000) |
25
- 30 |
30
- 35 |
35
- 40 |
40
-45 |
45
- 50 |
50
- 55 |
| No. of salespersons |
1 |
14 |
23 |
21 |
15 |
6 |
|
|