The birth weights (in kilograms) of a sample of 160 children are given in the following table. What is the mean of the weights? Round your answer to two decimal places.
?
Weight (kg)
Frequency
Weight (kg)
Frequency
2.0
14
3.5
6
2.3
18
3.8
3
2.6
26
4.1
24
2.9
2
4.4
8
3.2
30
4.7
29
A. 5.12
B. 16.15
C. 3.35
D. 3.38
E. 16.00
Answer: D
Mathematics
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