a
N7.40
b
N4.00
c
N10.00
d
N14.80
Explanation
Correct Option
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chk
1 year ago
the answer is correct
2×2 + 5×3 + 8×1 + 11×3 + 14×1 = 4+15+8+33+14 = 74
frequency = 2+3+1+3+1 = 10
74÷10 = 7.40


