Math, asked by muhammadshahalami3, 6 months ago

Mean and variánce of marks of section A are 62 and 16 respectively and that o section B are 69 and 25 respectively while the number of students are 30 and 40. Find out combined mean. Which section has greater absolute dispersion Which has greater relative dispersion?

Answers

Answered by yashagalave1

0

Answer:

2159=4845+548849*94579/=9

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