Find the missing Information from the following
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The first line is 200-90-50=60 group 2 is 60
the second line is 6-7-7.746=-5.254 group 3 is 5.254
The third line is 113-115-116= -118 group 2 is -118
the second line is 6-7-7.746=-5.254 group 3 is 5.254
The third line is 113-115-116= -118 group 2 is -118
Abhijithshambu:
How it write in steps??
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Answer:
B group mean is
116 = 50×113+60x + 90×115 ÷ 200
116×200=5650+60x+10350
23200-16000÷60=x
x= 120
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