6. The heights of four members of a family are 1 m 60 cm, 1 m 50 cm, 1
and 1 m 16 cm respectively. Find the average height of one member of the
family.
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Answer
Height of four members are 1 m 60 cm , 1 m 50 cm , 1 m 10 cm and 1m 16 cm.
• 100 cm = 1 m.
Sum of height of four members = 1m 60 cm + 1m 50 cm + 1 m 10 cm + 1 m 16 cm.
=> 4 m 136 cm.
=> 5 m 36 cm
=> ( 5 × 100 + 36 ) cm
==> 536 cm.
As we know , Average = Sum of observations/ Number of observations.
So,
Average height of one member = 536/4
=> 134 cm
=> 1 m 34 cm.
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Step-by-step explanation:
Sum of height of four members = 1m 60 cm + 1m 50 cm + 1 m 10 cm + 1 m 16 cm. => 4 m 136 cm. ==> 536 cm. As we know , Average = Sum of observations/ Number of observations
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