The mean heights of the three groups of students consisting of 20, 16 and 14
MATHEMATICS
WAEC 1994
The mean heights of the three groups of students consisting of 20, 16 and 14 students are 1.67m, 1.50m and 1.40m respectively. Find the mean height of the students
- A. 1.52m
- B. 1.53m
- C. 1.54m
- D. 1.55m
Correct Answer: C. 1.54m
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