GATE 2022 XH5 (Psychology) – Question 43

Research Methods and Statistics · Statistics in Psychology: Central tendency and dispersion, normal probability curve, parametric and non-parametric tests, effect size and power analysis · 1 mark · Numerical answer

The mean of a distribution is 14 and standard deviation is 5. What would be the value of coefficient of variation? (round off to two decimal places)

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Correct answer: 35.53 to 35.89

Explanation

The coefficient of variation is $\frac{SD}{\text{mean}} \times 100 = \frac{5}{14} \times 100 = 35.71$ (per cent).