Find the mean of data
Xi=10,15,20,25,30
Fi=4,6,3,2,5
FiXi=4×10,15×6,3×20,2×25,5×30
Plz send me a perfext answer with explanation......
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Answer:
X ( f ) fx
10 4 40
15 6 90
20 3 60
25 2 50
30 5 150
∑f = 20 ∑fx = 390
∵ mean = ∑ fx / ∑f
= 390 / 20
mean = 19.5
Step-by-step explanation:
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