comput the arthmetic mean for the following table
Answers
Answer:
37.5
Step-by-step explanation:
marks (f) ( x ) ( fx )
0-9 14 4.5 63
9-19 22 14 308
19-29 37 24 888
29-39 58 34 1972
39-49 67 44 2948
49-59 + 75 54 +4050
_______ ___________
∑f = 273 ∑fx = 10229
Mean = ∑f / ∑fx
= 273 / 10229
37.46