find the mean weight of 70 students from the following; 50 kg 8 students , 52 kg 12 students 54 kg 15 students 56 kg 20 students 58 kg 8 students 60 kg 6 students 62 kg 2 students 64 kg 1 student
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Answer:
55.17
Step-by-step explanation:
Xi=50,52,54,56,58,60,62,64
fi=8,10,15,20,86,2,1
fiXi=400,520,810,1120,464,360,124,64
TOTAL=fi=70. =fiXi=3862
MEAN=fiXi = 3862 = 55.17
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