[其他] 離均差平方
A sample of n=8 scores has SS=50. If these same scores were a population ,then
the SS value for the population would be____
a.50 b.greater c.less than 50
d.impossible to determine without additional infomation
助教給的解答是
50/7=SS/8
SS>50 選b
可是我在想
同一筆資料當樣本或當母群體
平均數不是都一樣嗎
那SS 離均差平方合 應該也一樣才對吧
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