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To find mean weight of 3 types of vegeta...

To find mean weight of 3 types of vegetables with are 4 kg, 6 kg, 8 kg, Usha and Laxmi do like these : Usha : Weight given = 4 kg, 6 kg, 8 kg Mean weight = `barx = 3/18=1/6 kg` Laxmi : When given = 4kg, 6kg, 8kg Mean weight =`barx = (4xx6xx8)/3 = 64 kg` . From The above information.

A

Both are wrong

B

usha only wrong

C

Laxmi only wrong

D

Both are right

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VGS PUBLICATION-BRILLIANT-STATISTICS-EXERCISE
  1. 30-39, 40-49, 50-59 .. తరగతులు .. రకపు తరగతులు .

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  2. The mode of the distribution 2, 5, 7, 5, 3, 1, 5, 8, 7, 5 is

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  3. The median of the observations 15, 12, 14,20,16,10 is

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  4. Mid values are used to calculate ..........

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  5. Which of the following is not a measure of central tendency ?

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  6. The mode of the observations 8, 9, 10, 11, 12, 8, 9, 12, 9, 8, 9, 11, ...

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  7. The median of the observations 6, 21, 9, 19, 15 and 13 is

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  8. The lower limit of the class 60 - 69 is

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  9. The upper limit of the class 30-40 is

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  10. The mean of first ten odd natural numbers is

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  11. The width of the class interval 40-50 is

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  12. The value of among the observation of which occurs most frequently is ...

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  13. If three students with marks 26, 27 and 28 were joined, which class fr...

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  14. While drawing a bar graph, which class bar is the smallest in it's len...

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  15. In an ungrouped data there are 10 scores. After arranging them which t...

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  16. In an ungrouped data there are 10 scores. After arranging them which t...

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  17. To find mean weight of 3 types of vegetables with are 4 kg, 6 kg, 8 kg...

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  18. A paper is folded several times. When it was opened it was observed th...

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  19. Means of first 10 whole numbers and first 10 natural numbers is in the...

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  20. barx=A+(sumfi di)/(sumfi) is the formula to find mean for an ungrouped...

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