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UNITED BOOK HOUSE-Bethune Collegiate School, Question Paper -Exercise
- Range of a variable is affected by change of
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- In positively skewed distribution.
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- Sum of squares of first 10 natural numbers is
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- For a grouped data with open classes the measure can be calculated is
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- Median of the 7 observations (4, 5, 7, 10, 8, 2, 11) is
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- From Histogram graphically we can obtain
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- Find the value of x for which x^2 - 10x + 28 will be minimum.
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- For a symmetrical distribution Q1 = 28, Q3 = 46. Find the median.
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- Give an example of ordinal data.
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- Find the variance of following observations 30, 40, 50, 60, 70.
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- Define relative frequency.
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- What is Ratio Chart?
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- If A.M. and G.M. of two positive real numbers are 25 and 15 respective...
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- Prove that n^n > 1, 3, 5,…………(2n - 1).
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- State and prove Cauchy-Schwartz inequality.
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- Write a short note on histogram of a frequency distribution.
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- Prove that Mean Deviation about mean cannot exceed Standard Deviation.
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- n = 10, Me(x) = 5, overset(10)underset(i=1)sum xi = 40, overset(10)und...
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- Prove that Mean Deviation is minimum when measured about median.
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- a, b, c are positive proper fractions satisfying a + b + c = 1. Show t...
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