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

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

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

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

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

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

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

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

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

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

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  11. In Fig. 5.48, A D=4c m , B D=3c m and C B=12 c m , find cottheta . ...

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

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

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  14. For a given data with 70 observations the less then ogive and the m...

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  15. In Figure, A B C D is a rectangle. Find the values of xa n dydot

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

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  17. In Figure, If D E |\ |BC , then x equals. 6cm (b) 8cm (c) 10cm (d) 1...

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  18. In Figure, the graph of a polynomial p(x) is shown. The number of zero...

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  19. If 35 is removed from the data: 30,34,35,36,37,38,39,40, then the m...

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  20. The mean of 1,3,4,5,7,4 is mdot The number 3,2,2,4,3,3,p have mean m-1...

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