KatsukiYURIII3805 KatsukiYURIII3805

02-03-2018
Mathematics

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If the test scores of a class of 36 students have a mean of 75.2 and the test scores of another class of 28 students have a mean of 67.4, then the mean of the combined group is

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tastetherainboovwtyc tastetherainboovwtyc

02-03-2018

the mean of the combined group is 71.3 --- hope this helps

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