Mathematics
Senior High
Solved
どうやって4分の√5になるのか計算の仕方を教えて欲しいです‼️
(4) 相関係数は
r =
80
6 4
=
√5
4
=0.559≒0.56
6
Sxy
51
65
=
SxSy
36
16
V 25
5
5
5
Answers
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