consider the observations on weight and studentships:
---------- with studentships ----- without studentships --- unclassifiable
fat —————————— 12 ———————— 22 —————————— 9
thin —————————— 32 ———————— 14 —————————— 6
Does weight influence the ability to study? (use α=0.05)
初学统计看到的一道题,不知道用什么解?
谢谢