Accountancy, asked by chintukumar42012, 6 hours ago

The mean and standard deviation of marks obtained by 40 students of a class in statistics are 55 and 8 respectively. If there are only 5 girls in the class and their respective marks are 40, 55, 63, 75 and 87, find mean and standard deviation of the marks obtained by boys.

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Answered by bhunikasharma

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Explanation:

there are only 5 girls in the class and their respective marks are 40, 55, 63, 75 and 87, find mean and standard deviation of the marks obtained ...

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