The pooled variance, in this case n,=12, n =21, ands = 18 and s2 = 23 اختر احدى الدجابات 21.18 22.5 21.23 22.1
Posted: Sun Sep 05, 2021 5:01 pm
The pooled variance, in this case n,=12, n =21, ands = 18 and s2 = 23 اختر احدى الدجابات 21.18 22.5 21.23 22.1