Errata for The Cartoon Guide to Statistics

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Errata and Clarifications for The Cartoon Guide to Statistics Compiled by Bruce Weaver

In this document, I shall use CGS to stand for The Cartoon Guide to Statistics. Chapter 5: Missing Square Root Sign in Formula for σ In the middle of page 86, the authors say: NOW CALCULATE A NORMAL RANDOM VARIABLE X* WITH THE SAME MEAN   np  (25)(.5)  12.5 AND STANDARD DEVIATION   np(1  p)  2.5. The formula for the standard deviation is missing a square root sign. The correct formula is:   np(1  p). Finally, notice that the authors of CGS report the correct numeric value for σ (i.e., 25(.5)(.5)  6.25  2.5 ). So they obviously did take the square root when doing the computation, but just forgot to include it when showing the formula.

14-Oct-2014

Errata for The Cartoon Guide to Statistics

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References Gonick, L., & Smith, W. (1993). The cartoon guide to statistics. New York: HarperPerennial.

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14-Oct-2014