SOLUTION: The mean mass of a group of 10 students is 57kg. One student leaves the group. The mean mass of the remaining 9 students is 56kg. Calculate the mass of the student who left the gro
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Question 1120890: The mean mass of a group of 10 students is 57kg. One student leaves the group. The mean mass of the remaining 9 students is 56kg. Calculate the mass of the student who left the group. Answer by ikleyn(52852) (Show Source):
