) A gymnasium weighs all the people that come into exercise. On one morning, it notes down the weight
of 6 people in kg as follows:
74 kg, 83 kg. 62 kg. 64 kg. 70.7 kg, 54.3 kgs.
The average of their weights is calculated but then one more person comes in to exercise. The new
average is calculated to be 69.7 kg. Find the weight of the new person?
Answers
Answered by
4
Answer:
79.9kg
Step-by-step explanation:
let 'x' be the weight of the seventh person.
average = sum of observations
no. of observations
= 74 + 83 + 62 + 64 + 70.7 + 54.3 + x = 69.7
7
= 408 + x = 69.7
7
= 408 + x = 69.7 × 7
= 408 + x = 418.2
x = 418.2 - 408
= 79.9
I hope this is okay
Answered by
0
Step-by-step explanation:
79.9 will I help you please confirm answer
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