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Stap divisen method some questiom

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Stap divisen method some questiom

Posted by Kanishka Sharma 7 years, 4 months ago

CBSE > Class 10 > Mathematics

1 answers

Lovely Devnani 7 years, 4 months ago

RQuestion-1 The following table shows marks secured by 140 students in an examination: Marks number of student 0-10 20 10-20 24 20-30 40 30-40 36 40-50 20 Calculate mean marks by using all the three methods, i.e., direct method, assumed mean method and step-deviation method.

2Thank You

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CBSE > Class 10 > Mathematics