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MCGROW HILL PUBLICATION-STATISTICS -MULTIPLE CHOICE QUESTIONS
- The mean of the series a, a + d, a + 2d, …, a + 2 nd, is
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- If each observation is multiplied by 1/3 then the mean of the new data...
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- The mean of first 10 natural numbers.
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- The value of sum(i=1)^(n) (x(i)-barx) where is the arithmetic mean...
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- The average of 15 numbers is 18. The average of first 8 is 19 and that...
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- The attendance of a class of 45 boys for 10 days is given as 40, 42, 3...
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- The average of n numbers x(1),x(2), …,x(n) is M. If x(n) is replaced b...
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- A candidate obtained the following percentage of marks in an examinati...
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- A student obtained the following marks per centage in an examination E...
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- A contractor employed 18 labourers at Rs 12 per day, 10 labourers at R...
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- In a class test in English 10 students scored 75 marks, 12 students sc...
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- Find the mean of first five prime numbers
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- The algebraic sum of the deviations of a set of value of a data from t...
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- A train travels first 300 km at an average rate of 30 km per hour and ...
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- The average age of a group of 8 members is same as it was 3 years ago,...
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- The mean of ten items is 17 and if each item is increased by 5, then t...
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- The mean of 20 items of a data is 5 and if each item is multiplied by ...
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- The numbers 3, 5, 6 and 4 have frequencies of x, x + 2, x -8 and x+ 6,...
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- The weights of 9 apples are 50, 60, 65, 62, 67, 70, 64, 45, 48 grams ....
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- The mean of all the factors of 12 is
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