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The following observations relate to the...

The following observations relate to the height of a group of persons. Draw the two types of cumulative frequency polygons and cumulative frequency curves and determine the median.

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RD SHARMA-STATISTICS-All Questions
  1. Find the median of the following data: class : 0-10 , frequenc...

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  2. Following is the age distribution of a group of students. Draw the c...

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  3. The following observations relate to the height of a group of persons....

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  4. If the mean of the following distribution is 54, find the value of p :...

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  5. If 2costheta-sintheta=x and costheta-3sintheta=ydot Prove that 2x^2+y^...

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  6. Find the mean marks of the students from the following cumulative fr...

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  7. Find the mean marks of students from the following cumulative frequenc...

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  8. The number of students absent in a school was recorded every day for ...

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  9. Compute the median form the following data: Mid-value:          115   ...

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  10. Find the median of the following frequency distribution: Weekly wages ...

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  11. If the median of the following frequency distribution is 46, find the ...

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  12. Calculate the median from the following data: Marks:                0-...

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  13. Find the mode of the following data: 25,16,19,48,19,20,34,15,19,20,21,...

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  14. Compute the median for the following cumulative frequency distribution...

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  15. In Figure, A B C is right angled at ,B C=7c m and A C-A B=1c m . Find...

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  16. In Figure, Pa n dQ are the midpoints of the sides C Aa n dC B respecti...

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  17. Diagonals of a trapezium ABCD with AB || DC intersect each other at...

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  18. The mean of the following frequency distribution is 50. Find the value...

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  19. If s e c4A=cos e c(A-20^@) , where 4A is an acute angle, find the ...

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  20. Find the mode of the following data: Class :0-20, 20-40 ,40-60 ,60-80...

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