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The mid value of a class interval is 42 ...

The mid value of a class interval is 42 and the class size is 10. find the lower and upper limits.

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MODERN PUBLICATION-STATISTICS-EXERCISE
  1. If the mode of 13,14,15,14,16,15,x is 14, find the value of x.

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

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  3. The mid value of a class interval is 42 and the class size is 10. find...

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

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  5. If each observation of a data is increased by 3, then what about the n...

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  6. True/false Mean, Median and Mode are measures in same units.

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  7. True/false Class Mark of 90-120 is 100.

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  8. True/false Mode of 2,3,9,16,3,9, is 16.

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  9. True/false For the set of numbers 2,2,4,5 and 12, then Mean>mode

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  10. True/false Is arithmetic mean of 7,5,13,x and 9 is 10, then x is 5.

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  11. True/false Empirical relatin between mean, mode and median is Mode=2Me...

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  12. True/false Median 0,2,2,2,-3.5,-1.5,-3,6,6,5,6 is 3.5.

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  13. True/false If the mean of 5 observation x,x+2,x+4,x+6,x+8 is 11, then ...

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  14. Let m be the mid-point and l be the upper class limit of a class in a ...

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  15. True/false 10 observations 6,14,15,17,x+1,2x-13,30,32,34,43 are writte...

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  16. Fill ups Data collected by an investigator himself is called…….data.

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  17. Fill ups Raw data when presented in ascending or descending order form...

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  18. Fill ups Minimum value on subtraction from maximum value gives………….. .

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  19. Fill ups Mode of the value of data which occurs …………..number of times.

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  20. The besector of an angle divides it into two

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