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The marks (out of 100) obtained by a gro...

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Highest and the lowest marks obtained by the students.

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The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Range of the marks obtained.

The marks (out of 100) obtained by a group of students in a science test are 85,76,90,85,39,48,56,95,81 and 75. Find the : Mean marks obtained by the group.

Following are the marks obtained by 9 students in a Mathematics test : 50, 69, 20, 33, 53, 39, 40, 65, 59. The mean deviation from the median is :

The marks obtained by a student of class XI in the first and second terminal examination are 62 and 48 respectively. Find the minimum marks he should get in the annual examination to have an average of at least 60 marks .

The marks obtained by a student of Class XI in first and second terminal examination are 62 and 48, respectively. Find the minimum marks he should get in the annual examination to have an average of at least 60 marks.

Set up an equation in the following cases: The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be I).

A teacher analyses the performance of two sections of students in a mathematics test of 100 marks given in the following table. Find the probability that a student obtained less than 20 in the mathematics test.

A teacher analyses the performance of two sections of students in a mathematics test of 100 marks given in the following table. Find the probability that a student obtained marks 60 or above.

In a Mathematics test, the following marks were obtained by 40 students. Arrange these marks in a table using tally marks. (a)Find how many students obtained marks equal to or more than 7.

The mean and standard deviation of marks obtained by 50 students of a class in three subjects. Mathematics, Physics and Chemistry are given below. Which of the three subject shows the highest variability in marks and which shows the lowest ?

SUBHASH PUBLICATION-DATA HANDLING-EXAMPLE
  1. B played in all the four games. How would you find the mean?

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  2. Who is the best performer?

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  3. The marks (out of 100) obtained by a group of students in a science te...

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  4. The marks (out of 100) obtained by a group of students in a science te...

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  5. The marks (out of 100) obtained by a group of students in a science te...

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  6. The enrolment in a school during six consecutive years was as follows:...

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  7. The ranfall (in mm) in a city on 7 days of a certain week was recorded...

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  8. The rainfall (in mm) in a city on 7 days of a certain week was recorde...

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  9. The ranfall (in mm) in a city on 7 days of a certain week was recorded...

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  10. The heights of 10 girls were meansured in cm and the results are as fo...

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  11. The heights of 10 girls were meansured in cm and the results are as fo...

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  12. The heights of 10 girls were meansured in cm and the results are as fo...

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  13. The heights of 10 girls were meansured in cm and the results are as fo...

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  14. The heights of 10 girls were meansured in cm and the results are as fo...

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  15. The scores in mathematics test (out of 25) of 15 students is as follow...

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  16. The runs scored in a cricket match by 11 players is as follows: 6,5,12...

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  17. The weights (in kg) of 15 students of a class are: 38,42,35,37,45,50,3...

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  18. The weights (in kg) of 15 students of a class are: 38,42,35,37,45,50,3...

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  19. Find the mode and median of the data: 13,16,12,14,19,12,14,13,14.

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  20. Tell whether the statement is true or false: The mode is always one of...

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