Math, asked by krishharun35pbeb49, 1 year ago

A biologist measures the lengths of 40 fish and records the results in a grouped frequency table.

Find x if the mean length is 15.75cm

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Answers

Answered by meerap004
3
I think the answer is 630.
Mean=sum of observations/no. of observations
15.75=X/40
15.75×40=X
X=630

krishharun35pbeb49: x = 15
Answered by Vidhyasha
0
Hello dear your answer is in down
X
Length =15.75cm
length of fish

Mean= Length÷length of fish or number of observation
15.75÷40=X
X= ,315
By my calculation answer is 315

Hope it helps you
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krishharun35pbeb49: x should be 15
krishharun35pbeb49: but answer should be x = 15
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