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State the condition when A.M. = G.M. = H...

State the condition when A.M. = G.M. = H.M.

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Let x be a variable assuming values x_1 , x_2 ,……. x_n state the condition when AM(x) = GM(x) = HM(x)

If a and b are two positive numbers, then prove that A.M. ge G.M. ge H.M.

If a value of a variable is zero, then what will be the value of A.M., G.M. and H.M. ?

If the values of a variable are in G.P, then prove that A.M., G.M., H.M. of the values are also in G.P.

For a set of positive quantities, Prove that A.M. ge GM ge H.M. .

Under the same conditions how many mL of 1 M KOH and 0.5 M H_2SO_4 solution, respectively when mixed for a total volume of 100 mL produce the highest rise in temperature?

In a moderately skew distribution A.M. = 24.6 and the median = 26.1. Find the value of the mode.

Find the mean deviation about the A.M. of each of the following distributions : 7,9,24,14,26

If the A.M. and S.D. at n observation x_1, x_2,………….x_n be barx and s respectively, then find the A.M. and S.D. of (-x_1, -x_2,……………-x_n, x_1, x_2,………x_n).

A variable takes values, a, ar, ar^2 ,……….., ar^(n - 1) with equal frequencies. Find AM, GM and HM and hence show that (GM)^2 = A.M. xx H.M.

UNITED BOOK HOUSE-Model Test Set - 5-Exercise
  1. Define percentile.

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  2. Logarithm of Geometric Mean is equal to of Logarithms.

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  3. State the condition when A.M. = G.M. = H.M.

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  4. What is event in respect to probability theory .

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  5. Give the condition when two events A and B will be mutually independen...

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  6. The probability of an impossible event is .

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  7. If for two event A and B, P(A or B) = 7/(10) , P (A and B) = 2/5 , P(A...

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  8. For two events A and B P(A^C|B^C)+P(A|B^C)=?

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  9. Define simple aggregative price index number.

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  10. name the different phases of human growth.

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  11. If the mean square deviation of a variable x about 7 is 25 and the mea...

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  12. What are different measures of skewness.

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  13. A, B and C are three mutually exclusive and exhaustive events associat...

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  14. The probability that a student passes a physics test is 2/3 and the th...

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  15. Show that if events A and B are independent, then so are A^c and B^c.

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  16. What is the difference between A^@ and AU?

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  17. Write a short note on histogram of a frequency distribution.

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  18. If the relation between two variables x and y is 2x + 3y = 7 and media...

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  19. Suppose 2x - 3y = 5 is the relation between the varibles x and y. If t...

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  20. Derive Largrange’s interpolation formula for n = 3.

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