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OpenStudy (loser66):
Please, help For a group of 200 candidates, the mean and standard deviation of scores were found to be 40 and 15. Later on, it was discovered that the scores 43 and 35 were misread as 34 and 53. Find the corrected mean and standard deviation.
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OpenStudy (loser66):
@3mar
OpenStudy (3mar):
Sorry I was here for 3 hrs and I should go now! Excuse me! Salam @triciaal if you kindly help him..
OpenStudy (loser66):
It's ok. I have solution but not understand it. I study statistics by myself. It 's quite hard but doable. :)
OpenStudy (loser66):
oh, got it.
OpenStudy (3mar):
Salam
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