Find the variance of the following obser...

Find the variance of the following observations : 30, 40, 50, 60, 70.

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UNITED BOOK HOUSE-Model Test Set - 9-Exercise

Discuss about different sources of data on vital events.
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What do you mean by Broca's Index?
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Find the variance of the following observations : 30, 40, 50, 60, 70.
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Let there be two sets of observations. The first set contains 10 obser...
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Distinguish between primary and secondary data.
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if P(A|B) = 1/3, P(A) = 1/4 and P(B) = 1/2, find the probability that ...
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If P(A) = 0.2, P(B) = 0.3, P(C ) = 0.4 and A, B and C be independent t...
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Write the axiomatic definition of probability?
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Sum of the squares of deviation is least about
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What do you mean by a cumulative frequency distribution. Point out its...
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What is the value of Sheppard's correction of moments for m4?
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For three unequal positive real numbers a, b, c show that (b + c) (c +...
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If x1, x2,…….xn are real quantities. Prove that 1/n overset(n)underset...
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First the greatest common divisor of 801 and 423.
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State and prove Remainder theorem.
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Show that if events A and B are independent, then so are A^c and B^c.
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A Box contains 5 white and 3 black ball. One ball is drawn and it is s...
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A box contains 7 white and 5 black balls two are drawn at random find ...
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Define crude birth rate and point out its defects.
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Explain the Time reversal and Factor reversal tests of index numbers.
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