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Mean marks obtained by a student in his...

Mean marks obtained by a student in his five subjects are 15. In English he secures 8 marks, in Economics 12, in Mathematics 18, and in Commerce 9. Find out the marks he secured in Statistics.

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The correct Answer is:
Marks secured in Statistics = 28 marks
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TARUN JAIN & VK OHRI-MEASURES OF CENTRAL TENDENCY - ARITHMETIC MEAN-4. Essential Practicals
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  2. Calculate average of the following discrete series. Use Short-cut Meth...

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  3. Marks secured by 42 students in economics are: {:("Marks",15,20,22,2...

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  4. Average age of the people of a counry is shown in the following table:...

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  5. Calculate the arithmetic mean of the following frequency distribution ...

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  6. Calculate arithmetic mean from the following data by Short-cut Method:...

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  7. Find out arithmetic mean from the following distribution by Short-cut ...

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  8. Sachin made the following runs in different matches: {:("Runs",5-15,...

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  9. Calculate arithmetic mean of the following frequency distribution: {...

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  10. Mean marks obtained by a student in his five subjects are 15. In Engl...

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  11. Mean value of the weekly income of 40 families is 265. But in the calc...

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  12. Average pocket allowance of 6 students is Rs. 45. Of these, pocket all...

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  13. The following table shows wages of the workers. Calculate the average ...

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  14. Ten players of the Australian team made an average an average of 60 ru...

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  15. Average income of 50 families is Rs. 3,000. Of these average income of...

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  16. In the following frequency distribution, if the arithmetic mean is 45....

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  17. Calculate the weighted mean of the following data: {:("Items",96,102...

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  18. A student obtained 60 marks in English, 75 in Hindi, 63 in Mathematic...

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  19. A housewife uses 10 kg of Wheat, 20 kg of Fuel, 5 kg of Sugar, and 2 k...

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  20. Calculate weighted mean of the following data by using Direct and Shor...

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