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From a population of size 1000, a random sample of 20 observations has been
drawn. If the sample mean is 43.275 then estimate

By Gabriella

From a population of size 1000, a random sample of 20 observations has been
drawn. If the sample mean is 43.275 then estimate population mean and total.
[Ans. 43.279, 43279]​

About the author
Gabriella

difference between 2 numbers is 4 and the difference of their squares is 86. Find the numbers ?​

Aptitude Maths Physics Chemistry Bio
Q18 of 100
+4
1996
-1
UN
SEX
6
6
5
3
2

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