How many____(kites/ birds) do you see?
蚀____ 掠____ 拔____ 燎____ 蹄____
浊____ 琼____ 钹____ 獠____ 啼____
已知一组数据1,2,3,4,5的方差为2,则另一组数据11,12,13,14,15的方差为____.