Curry Parsons
04/01/2023 · Elementary School
Part: \( 2 / 5 \) Part 3 of 5 Calculate the Pearson's index of skewness. Round the mean, median and standard deviation to one decimal place and Pearson's index to two decimal places. \[ \mathrm{PI}= \] It can be concluded that the distribution is (Choose one) skewed.
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To calculate Pearson's index of skewness, use the formula: \(\mathrm{PI} = \frac{3(\text{Mean} - \text{Median})}{\text{Standard Deviation}}\). Once you have the mean, median, and standard deviation, round them to one decimal place and the index to two decimal places. The skewness can be determined by the sign of the index: positive for right-skewed, negative for left-skewed, and zero for symmetric distribution.
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