A sample of experienced typists revealed that their mean typing speed is 87 words per minute and the median typing speed is 73 w
ords per minute. The standard deviation of typing speed is 16.9 words per minute. What is the Pearson coefficient of skewness
1 answer:
Answer:
The Pearson coefficient of skewness is of 0.8284.
Step-by-step explanation:
Pearson skewness:
The skewness of a data set is given by the subtraction of the mean by the median, divided by the standard deviation.
In this question:
The mean is of 87, the median is of 73 and the standard deviation is of 16.9. So
(87-73)/16.9 = 0.8284.
The Pearson coefficient of skewness is of 0.8284.
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