Question

Q2. The mean and standard deviation of 200 items are found to be 60 and 20. If at
the time of calculation two items are wrongly taken as 3 and 67 instead of 13 and 17,
find the correct mean and standard deviation.​

Answer 1

Answer:

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Step-by-step explanation:

ukrrkydjyhtdrjymjtyyrnhndhydtryhfjyfjnyjdyhydnyfjryjr5er5h