In the following frequency distribution, height of 20 students of a
the given data find the mean.
istribution, height of 20 students of a class is given. From
Height(cm)
160 161 162 163
Number of boys 4,6
5,5
Answers
Answered by
7
Answer:
Mean is 161.55
Step-by-step explanation:
Height (xi) Frequency(fi) fixi
160 4 640
161 6 966
162 5 810
163 5 815
3231 20 3231
Mean = sigma fixi = 3231 = 161.55
sigma fi 20
HOPE THIS HELPS...................
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