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Find the class marks and class size of t...

Find the class marks and class size of the following distribution.

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10
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PEARSON IIT JEE FOUNDATION-STATISTICS -TEST YOUR CONCEPTS (VERY SHORT ANSWER TYPES QUESTIONS)
  1. Which measure of central tendency can be used to know the sales strate...

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  2. The mean of the first n natural numbers is 10, then the number of obse...

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  3. If the total weight of 25 students is 625 kg, then mean weight of 25 s...

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  4. n a certain data, highest value is (x + 4) and lowest value is (x - 4)...

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  5. The mean of certain number of observations is 10. Even though one obse...

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  6. For a certain data, if the median is equal to the mean, then the mode ...

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  7. A person spends 20% of his income towards food, 25% for education, 15%...

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  8. The frequency of an observation p is q and the frequency of another ob...

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  9. The most stable measure of central tendency is

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  10. Krishna wrote 1 to 100 numbers, the frequency of the digit 9 is

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  11. Find the mean of the following data. 4, 6, 7, 13, 25, and 35

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  12. Find the median of the following data. 24, 14, 13, 26, 12, 18, and 9

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  13. If Mean = 24 and Median = 26, then find the Mode.

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  14. Find the mode of the following data. 11, 12, 11, 12, 13, 11, 12, 13,...

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  15. Find the mean of the following data. 23, 24, 27, 31, 37, 46, and 78.

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  16. Find the median of the following data. 72, 93, 48, 36, 79, 23, 41, a...

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  17. Find the mode of the following data. 2, 4, 2, 3, 3, 4, 6, 8, 6, 2, 2...

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  18. Find the class marks and class size of the following distribution.

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  19. Percentage of marks of 35 students is given in the following grouped f...

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  20. If Median = 29 and Mode = 31, then find the Mean.

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