[填空题]
The column graph below ;91x zaiqqbzcg /si6ly,dma(bj29ien-+ x l 0shows the number of wet days per week recorded for a peri+i6m;a0(,jq diz 1asxilqby/e 2bz- 9glxc9 n)ub8u- ;-z5a( zu6a cmkw,de scbo8v wod of time bbso;z wc,dez-8um)a8-wuu6 a v k5(cin Melbourne, Australia.
1. Write down how many weeks were recorded.
2. Write down the modal number of wet days per week.
3. Calculate the mean number of wet days per week.
4. Determine the percentage of weeks which had more than 2 wet days. %
