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In a mathematics test following marks we...

In a mathematics test following marks were obtained by 40 students.Arrange these marks in a table using tally marks.
8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 3 5 8 6 7 4 5 6 9 6 4 4 6 6
Find how many students obtained marks equal to or more than 7?

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In a mathematics test following marks were obtained by 40 students.Arrange these marks in a table using tally marks. 8 1 3 7 6 5 5 4 4 2 4 9 5 3 7 1 6 5 2 7 7 3 8 4 2 8 3 5 8 6 7 4 5 6How many students obtained marks below 4 ?

Find the mode of the following marks obtained by 20 students 3,5,6,9,3,2,8,8,6,4,5,10,3,5,7,9,9

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Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, A = { 1, 2, 3, 4}, B = { 2, 4, 6, 8 } and C = { 3, 4, 5, 6 }. Find:- B'

Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9 }, A = { 1, 2, 3, 4}, B = { 2, 4, 6, 8 } and C = { 3, 4, 5, 6 }. Find:- A'

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MBD-DATA HANDLING-EXERCISE
  1. In a mathematics test following marks were obtained by 40 students.Arr...

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  2. The following data is of the ages(in years) of 20 students of class VI...

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  3. Which age group the maximum no. of students belong? 9,10,10,9,9,11,9,...

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  4. The heights (in cm) of 30 students of class VIII are given below: 150,...

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  5. The yearly savings (in rupees) of 30 students of X are as follow: 50,5...

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  6. The yearly savings (in rupees) of 30 students of X are as follow: 50,6...

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  7. The sale of electric bulbs on different days of a week is shown below:...

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  8. The sale of electric bulbs on different days of a week is shown below:...

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  9. The sale of electric bulbs on different days of a week is shown below:...

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  10. The sale of electric bulbs on different days of a week is shown below:...

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  11. The total number of cows in five villages are as follows: Village 1:60...

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  12. The total number of cows in five villages are as follows: Village 11:6...

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  13. The total number of cows in five villages are as follows: Village 1:60...

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  14. The total number of cows in five villages are as follows: Village 11:6...

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  15. The total number of cows in five villages are as follows: Village 1:60...

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  16. The total number of children of a school in different years is shown i...

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  17. The total number of children of a school in different years is shown i...

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  18. The total number of children of a school in different years is shown i...

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  19. The bar graph given in the adjoining figure represents the number of b...

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  20. The bar graph given in the adjoining figure represents the number of b...

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  21. The bar graph given in the adjoining figure represents the number of b...

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