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My Reading on ASQ CQA HB Part V Part 1 small

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<strong>Part</strong> VC1<br />

Mean/ Median/ Mode<br />

Sample Right-Skewed and Left-Skewed Frequency Distributi<strong>on</strong>s (a) This is an example of a right-skewed frequency distributi<strong>on</strong> in which the tail of the<br />

distributi<strong>on</strong> goes off to the right. In a right-skewed distributi<strong>on</strong>, the mean is greater than the median because the unusually high scores distort it. (b) This is<br />

an example of a left-skewed frequency distributi<strong>on</strong> in which the tail of the distributi<strong>on</strong> goes off to the left. The mean is less than the median because the<br />

unusually low scores distort it.<br />

Right/<br />

Positive Skew<br />

Median<br />

Median<br />

Left/<br />

Negative Skew<br />

http://www.macmillanhighered.com/BrainH<strong>on</strong>ey/Resource/22292/digital_first_c<strong>on</strong>tent/trunk/test/griggs4e/asset/ch01/c01_fig05.html<br />

Charlie Ch<strong>on</strong>g/ Fi<strong>on</strong> Zhang

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