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

The width of the class interval 40-50 is

A

50

B

45

C

10

D

40

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The width of the class interval 20- 30 is

Calculate the boundaries of the class interval in the above table 10-20,20-30.

0- 10, 11- 20, 21 - 30, 31 -40. The real lower limit of the class 21 - 30 is

The class marks of a class interval is ..........

The following marks achieved by 30 candidates in mathematics of SSC examination held in the year 2010.45, 56, 75, 68, 35, 69, 98, 78, 89, 90, 70, 56, 59, 35, 46, 47, 13, 29, 32, 39,93, 84, 76, 79, 40, 54, 68, 69, 60, 59. Construct the frequency distribution table with the-class intervals, failed (0 – 34), third class (35 - 49), second class (50 - 60), first class (60 - 74) and distinction (75-100).

Number of students in 30 class rooms in a school are given below. Construct a frequency distribution table for the data with a exclusive class interval of 4 (students). {:(25,30,24,18,21,24,32,34,22,20,22),(32,40,28,30,22,26,31,34,15,38,28),(20,16,15,20,24,30,25,18, , ,):}

Ages of 90 people in an apartment are given in the adjacent grouped frequency distribution.How many people are there in the Class Interval 21-30?

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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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