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If the median of the following frequency distribution is 46, find the missing frequencies. Variable:   10-20   20-30   30-40                  40-50   50-60   60-70                  70-80   Total Frequency:            12        30        ?                  65        ?          25                  18        230

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Compute the median from the following data: Mid-value:          115   ...

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

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

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  4. Calculate the median from the following data:Marks:                0-1...

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

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

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

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  9. The diagonals of a trapezium ABCD with AB||DC intersect each other at ...

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

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

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  12. In Figure P Q || C D and P R || C B. Prove ( A Q)/(Q D)=(A R)/(R B)d...

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  13. In Figure, two triangles A B C and D B C are on the same base B C in w...

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  14. Find the mode of the following data: Class        Frequency       0-2...

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  15. Prove that in a triangle if the square of one side is equal to the sum...

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  16. If a line is drawn to one side of a triangle to intersect the other tw...

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  17. Prove that: (tantheta)/(1-cottheta)+(cottheta)/(1-tantheta)=1+sectheta...

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  18. Without using trigonometric tables, evaluate the following: (sec37^0)/...

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  19. Find the mode of the following distribution of marks obtained by 80 st...

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  20. Divide 30 x^4+11 x^3-82 x^2-12 x+48 by (3x^2+2x-4) and verify the resu...

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