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Mode of the data 15, 14, 19, 20, 14, 15,...

Mode of the data 15, 14, 19, 20, 14, 15, 1 6, 14, 15, 18, 14, 19, 15, 17, 15 is

A

14

B

15

C

16

D

17

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Find the mode of the following data: 12, 14, 12, 16, 15, 13, 14, 18, 19, 12, 14, 15, 16, 15, 16, 16, 15,17, 13, 16, 16, 15, 15, 13, 15, 17, 15, 14, 15, 13, 15, 14

Find the mean deviation from the mean for the following data : 13, 15, 16, 15, 18, 15, 14, 18, 17, 10 .

Find the mode of 2,6,5,3,0,3,4,3,2,4,5,2,4 2, 14, 16, 12, 14, 14, 16, 14, 10, 14, 18, 14

Find the mode of 14, 25, 14, 28, 18, 17, 18, 14, 23, 22, 14, 18.

A class has 15 students whose ages are 14, 17, 15, 14, 21, 17, 19, 20, 16, 18, 20, 17, 16, 19 and 20 years. One student is selected in such a manner that each has the same chance of being chosen and the age X of the selected student is recorded. What is the probability distribution of the random variable X? Find mean, variance and standard deviation of X.

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MBD-STATISTICS-EXERCISE
  1. Let m be the mid-point and l be the upper class limit of a class in a ...

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  2. The class marks of a frequency distribution are given as follows : 15,...

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  3. In the class intervals 10-20, 20-30, the number 20 is included in.

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  4. A grouped frequency table with class intervals of equal sizes using 25...

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  5. A grouped frequency distribution table with classes of equal sizes usi...

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  6. To draw a histogram to represent the following frequency ditribution :...

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  7. The mean of five numbers is 30. If one number is excluded, their mean ...

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  8. If the mean of the observations : x, x + 3, x + 5, x + 7, x + 10 is 9,...

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  9. If barx represents the mean of n observations x1, x2,…….,xn , then val...

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  10. If each observation of the data is increased by 5, then their mean

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  11. Let barx be the mean of x1,x2,……,xn and bary the mean of y1,y2……,yn ba...

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  12. If barx is the mean of x1,x2,x3, ………..xn , then for ane0, the mean of ...

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  13. If barx1,barx2,barx3,….., barxn are the means of n groups with n1,n2,…...

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  14. The mean of 100 observations is 50. If one of the observations which w...

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  15. There are 50 numbers. Each number is subtracted from 53 and the mean o...

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  16. The mean of 25 observations is 36. Out of these observationsif the mea...

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  17. The median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84 is

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  18. For drawing a frequency polygon of a continuous frequency distribution...

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  19. Median of the following numbers : 4, 4, 5, 7, 6, 7, 7, 12, 3 is

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  20. Mode of the data 15, 14, 19, 20, 14, 15, 1 6, 14, 15, 18, 14, 19, 15, ...

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