A sales executive marketed 84 items in a week on an average with a standard deviation of 18. Find the coefficient of variation:A19.05B21.43C23.81D17.86Answer: B. 21.43 Read Explanation: x̄ = 84 σ = 18 CV = σ/x̄ × 100 = 18/84 × 100 = 21.43Read more in App