The mean height of 25 boys in a class is 150 cm, and the mean height o – McqOptions

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1.	The mean height of 25 boys in a class is 150 cm, and the mean height of 35 girls in the same class is 145 cm. The combined mean height of 60 students in the class is ___ (app)
A.	146
B.	143
C.	147
D.	145
Answer» D. 145

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