[填空题]
The histogram below shows the weights of ro a 5xof hv-sjh,2ct;0goj66 40 v8t,5cszp5mb -6 ekjbHoneydew Melons, each measured correct8pb5 5ksjbz,cme- v t6 to the nearest kg.
1. Write down the modal weight of the melons. kg
2. Find the median weight of the melons.
The lower quartile is 3 $\mathrm{~kg}$ . kg
3. Calculate
(1) the upper quartile; kg
(2) the interquartile range.
