The table below shows the heights (in cm) of two types of plants, Type X and Type Y, measured after 5 weeks of growth.
| Plant Type | Week 1 | Week 2 | Week 3 | Week 4 | Week 5 |
|---|---|---|---|---|---|
| Type X | 12 | 15 | 11 | 14 | 13 |
| Type Y | 10 | 13 | 9 | 12 | 11 |
Which of the following statements are true about the heights of the plants after 5 weeks?
Statement I: The mean height of Type X plants is greater than the mean height of Type Y plants.
Statement II: The median height of Type X plants is greater than the median height of Type Y plants.
I only
II only
I and II
Neither I nor II
