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Find the arithmetic mean of the followin...

Find the arithmetic mean of the following frequency distribution :

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OSWAAL PUBLICATION-STATISTICS-TOPIC -1 MEAN, MEDIAN AND MODE (SHORT ANSWER TYPE QUESTIONS )
  1. Find the value of A, if the mode of the following data is 20: 15, 20, ...

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  2. The mean and median of 100 observations are 50 and 52 respectively. Th...

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  3. Find the arithmetic mean of the following frequency distribution :

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  4. Given below is the distribution of weekly pocket money received by stu...

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  5. Find the mean of the following distribution :

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  6. The following table gives the life time in days of 100 bulbs: Ch...

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  7. Find the unknown values in the following table :

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  8. Calculate the median from the following data :

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  9. Find the sum of the lower limit of the median class and the upper limi...

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  10. Write the relationship connecting three measures of central tendencies...

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  11. The following distribution shows the marks scored by 140 students in a...

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  12. Find the unknown entries a, b, c, d in the following distribution of h...

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  13. Find the mode of the following distribution :

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  14. Find x and y from the following cumulative frequency distribution:

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  15. The frequency distribution of agricultural holdings in a village is gi...

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  16. Write the median class of the following distribution:.

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  17. The following are the ages of 300 patients getting medical treatment i...

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  18. Find the mean of the following data :

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  19. Find the mean number of plants per house from the following data :

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  20. Given below is a cumulative frequency distribution showing the marks s...

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