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Write the median class for the following frequency distribution: Class-interval:  0-10   10-20   20-30   30-40   40-50   50-60   60-70   70-80 Frequency:         5       8         7       12      28       20      10      10

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RD SHARMA ENGLISH-STATISTICS-All Questions
  1. Write the modal class for the following frequency distribution: Class-...

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  2. A student draws a cumulative frequency curve for the marks obtained by...

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  3. Write the median class for the following frequency distribution: Class...

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  4. In the graphical representation of a frequency distribution, if the ...

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  5. Find the class marks of classes 10-25 and 35-55.

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  6. Write the median class of the following distribution: Classes:        ...

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  7. Which of the following is not a measure of central tendency? (a) Mean ...

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  8. Prove that "The Algebraic Sum of deviations from Mean is zero".

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  9. For a frequency distribution, mean, median and mode are connected by ...

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  10. Which of the following cannot be determined graphically? (a) Mean     ...

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  11. The median of a given frequency distribution is found graphically with...

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  12. The mode of a frequency distribution can be determined graphically fro...

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  13. Mode is (a) least frequent value     (b) middle most value (c) most fr...

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  14. One of the methods of determining mode is (a) Mode = 2 Median – 3 Mean...

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  15. If the mean of the following distribution is 2.6, then the value of y ...

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  16. The relationship between mean, median and mode for a moderately skewed...

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  17. The mean of a discrete frequency distribution xi//fi ; i=1,\ 2,\ ddot,...

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  18. If the arithmetic mean of x ,\ x+3,\ x+6,\ x+9, and x+12 is 10, the x=...

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  19. If the median of the data: 24, 25, 26, x+2 , x+3 , 30, 31, 34 is 27.5,...

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  20. If the median of the data: 6, 7, x-2,\ x , 17, 20, written in ascendin...

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