Page 122 - الحاسب الآلي ثانية إرشاد 2
P. 122
Excel اﻟﺪوال ﻓﻰ ﺑﺮﻧﺎﻣﺞ اﻟﻔﺼﻞ اﻟﺴﺎﺑﻊ
ﻓﻰ ﻤﻌﺎﻤﻼﺘﻬﺎ -٣
=COUNTA(12,"ahmed",11,"10nada")
4 -٤
.
AVERAGE
١٢٢
.
=AVERAGE(B5:B8)
10
=AVERAGE("10",10)
10
STDEV (Standard Division)
=STDEV(B11:B15)
1.29
