spark1844 spark1844
  • 15-03-2024
  • Mathematics
contestada

If the test scores of a class of 34 students have a mean of 73.3 and the test scores of another class of 27 students have a mean of 66.6, then the mean of the combined group is:

A) 70.0
B) 70.2
C) 70.3
D) 70.5

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