the average height of 24 student out of a class of 40 student is 158cm and that of the remaining 16 student is 153cm. find the average height of the students of whole class
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1
Answer:
because avrage height is done by add all divide by no. of people
- (153+158)/2=155.5
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Answer:
The average height of the student in whole class is 156 cm
Step-by-step explanation:
avg height={(24×158)+(16×153)}÷40
=156cm
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