Knowledge is power ,
sharing knowledge is powerful
بوسى
منذ 7 سنوات
اجابة 0
مشاهدة
38
اذا كان : \Sigma\ س\ =\ 35\ \ ,\ \Sigmaص\ =\ 60\ ,\ \ \Sigma\ س\ ص\ =\ 187\ ,\ \Sigma\ س2\ =\ 134\
\Sigma\ ص2\ =\ 406\ ,\ ن\ =\ 10
اوجد معادلة انحدار ص على س
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