The mean height of 11 friends is 155.2 cm. If one friend whose height is 158 cm leaves, find the new mean height
Answers
Answered by
1
Answer:
This not a proper questions
Explanation:
because we need to subtract in these types of questions but in you r question the total is less than 1 friend
Answered by
14
Answer:
154.92
Explanation:
Sum of all 11 heights=11x155.2
=1707.2
if a person of 158 cm leaves
remaining sum is 1707.2-158=1549.2
New mean height of remaining 10 students is 1549.2/10=154.92
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