Math, asked by sakshinarware2067, 18 days ago

The mean income per month of a society of 25 members is Rs.350 and standard deviation is Rs.50. Five more members are admitted to the society and their incomes in Rs. per month are 260, 300, 320, 490 and 590. Find the mean and standard deviation of income for the new group of 30 member

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Answered by shiwkishor

2

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