Mathematics, 21.10.2021 14:00 hemaam8
The first group consisted of 5 students and the second group consisted of 3 students. If the mean time of the first group was 16.65 seconds and the overall mean time for both groups of students was 13.26 seconds, determine the mean time for the second group of students.
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The first group consisted of 5 students and the second group consisted of 3 students. If the mean ti...
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