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Find the median of the following data: ...

Find the median of the following data: class : `0-10 , frequency :5`, ` 10-20 , 3`, `20-30 , 4`, `30-40 , 3`, `40-50 , 3, `50-60 , 4,` `60-70 , 7`, ` 70-80 , 9`, `80-90 , 7`, `90-100 , 8`,

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

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  2. Find the mean of the following frequency distribution, using step-d...

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  3. If costheta+sintheta=sqrt(2)costheta, show that costheta-sintheta=sqrt...

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  4. Prove that (cos e ctheta-sintheta)(sectheta-costheta)=1/(tantheta+cott...

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  5. Let A={phi{phi},1,{1,phi},2}. Determine which of the following is true...

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  6. In Figure, A B|B C ,F G|B C and D E|AC.Prove that triangle A D E~G C ...

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  7. Prove that (2sqrt(3))/5 is irrational.

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  8. Show that any positive odd integer is of the form 4q+1 or 4q+3, where ...

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  9. If alpha,beta are zeroes of the polynomial x^2-2x-15 , then form a qua...

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  10. A person can row a boat at the rate of 5 km/hour in still water. He ...

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  11. Check graphically whether the pair of linear equation 4x-y-8=0 and 2x=...

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  12. In Figure, A D|B C and B D=1/3C Ddot Prove that 2C A^2=2A B^2+B C^2

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  13. Find the mode of the following distribution of marks obtained by 80 ...

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  14. In Fig. , A D=4c m , B D=3c m and C B=12 c m , find cottheta . (a)(1...

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  15. The decimal expension of (147)/(120) will terminate after how many pla...

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  16. The pair of linear equations 3x+2y=5;2x-3y=7 have (a)One solution (b...

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  17. For a given data with 70 observations the less then ogive and the mo...

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  18. Can (x-2) be the remainder on division of a polynomial p(x) by (2x+3)?...

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  19. In Figure, A B C D is a rectangle. Find the values of x a n d y dot

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  20. If 7sin^2theta+3cos^2theta=4, show that tantheta=1/sqrt(3)

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