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If the mean of 4, x, 6,9,9,y and 13 is 8...

If the mean of 4, x, 6,9,9,y and 13 is 8 then the relation between X and Y is

A

X + Y =15

B

X - Y = 15

C

XY = 15

D

2X - 3Y = 15

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BEYOND PUBLICATION-STATISTICS-EXERCISE
  1. Which of the following measures of central tendency is mostly effected...

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  2. The middle most value of a data is called

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  3. If the mean of 4, x, 6,9,9,y and 13 is 8 then the relation between X a...

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  4. The symbol of "implies" is…….

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  5. Range of the data 16,17,15,11,18,23,10,9,10

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  6. The class marks of a class interval is ..........

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  7. If mode of the following data is 7, then the value of 6, 3, 5, 6, 7, 5...

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  8. Which of the following is not a measure of central tendency ?

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  9. For a symmetrical distribution, which is correct ?

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  10. The measure of central tendency which take into account all data terms...

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  11. A data arrange in descending order has 25 observations. Which observat...

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  12. Construction of cumulative frequency table is useful in determining th...

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  13. For a given data with,60 observations, 'the less than ogive' and 'the ...

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  14. For a given data with 50 observations 'the less than ogive' and the mo...

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  15. The abscissa of the point of intersection of the less than type and 'm...

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  16. For a distribution with odd number (n) of observations, the median is ...

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  17. For a distribution with even number (n) of observations, the median is...

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  18. For a continuos grouped frequency distribution the meidan is given by

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  19. Class marks of a class x - y is ...........

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  20. Mean of n-observations x1,x2,…………….,xn repeated f1, f2, f3…………….fn tim...

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