ACCT 2230 Lecture Notes - Lecture 15: Standard Deviation, Quartile, Interquartile Range

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When viewing the percentiles, the first number that we look at is the 2nd quartile or the median value. This number is the middle value of your data that separates the top. From our table we are able to see that the median value (or salary) is ,100,000. 00. This value was located at the 50th value when our y-variable was ordered smallest to largest. When looking at this median we can see that it does almost split both the 5th and the 95th percentiles as well as the first and second quartiles in half. This information shows us the median value is not majorly skewed by any extreme values at either end. The gap between the first and second and the second and third quartiles is very similar in size (the gap between the second and third being slightly larger).

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