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For a set of discrete numbers, three mea...

For a set of discrete numbers, three measures of central tendency are given below
1. Arithmetic mean
2. Median
3. Geometric mean
Which of the above measures may not have a meaningful definition?

A

1only

B

2only

C

3only

D

All of them are meaningfully defined

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The correct Answer is:
D
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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
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  2. The median of the observations 10, 11, 13, 17, x + 2, x + 4, 31, 33, 3...

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  3. Arithmetic mean of 10 observations is 60 and sum of squares of deviati...

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  4. Simplify:- (13 * 7 - 5)//4 = ?//2

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  5. The class marks in a frequency table are given to be 5, 10, 15, 20, 25...

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  6. The mean of 5 observations is 44 and variance is 8.24.If three of the ...

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  7. Consider the following discrete frequency distribution what is the val...

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  8. Mean of 100 observations is 50 and standard deviation is 10, if 5 is a...

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  9. If the range of a set of observations on a variable X is known to be 2...

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  10. If V is the variance and M is the mean of first 15 natural numbers, th...

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  11. A car travels first 60km at a speed of 3v km/hr and travels next om at...

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  12. The mean weight of 150 students in a certain class is 60kg. The mean w...

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  13. If two variables X and Y are independent, then what is correlation coe...

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  14. the mean of 100 observations is 50 and the standard deviation is 10. I...

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  15. Consider the following statements: 1.The algebraic sum of deviations ...

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  16. Let the correlation coefficient between X and Y be 0.6, random variabl...

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  17. If all the natural numbers between 1 and 20 are multiplied by 3, then ...

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  18. In any discrete series (when all values are not sume) if x represents ...

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  19. Which one of the following can be obtained from a histogram ?

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  20. if x(1) gt 0,y(1) gt 0 (1,2 3…. n) are the values of two variable X ...

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  21. The variance of 25 observations is 4. If 2 is added to each observatio...

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