9709 P6 - Jun 2008 - Q1
2378
The stem-and-leaf diagram below represents data collected for the number of hits on an internet site on each day in March 2007. There is one missing value, denoted by \(x\).
Stem-and-leaf diagram:
| Stem | leaf | |
|---|---|---|
| 0 | 0 1 5 6 | (4) |
| 1 | 1 3 5 6 6 8 | (6) |
| 2 | 1 1 2 3 4 4 4 8 9 | (9) |
| 3 | 1 2 2 2 x 8 9 | (7) |
| 4 | 2 5 6 7 9 | (5) |
Key: \( 1 \mid 5 \) represents 15 hits.
(i) Find the median and lower quartile for the number of hits each day.
(ii) The interquartile range is 19. Find the value of \(x\).
