## Ecological MethodologyThis coherent text translates the methods of statisticians into "ecological English" so that students may readily apply these methods to the real world. |

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2.1.1

**Confidence Intervals**How reliable are these estimates of population size?

To answer this critical question, a statistician constructs

**confidence intervals**

around the estimates. A

**confidence interval**is a range of values that is expected

to ...

Similarly, after you have estimated population size by the Petersen method and

calculated the

**confidence interval**, the true population size (unfortunately not

known to you) will either be inside your

**confidence interval**or outside it. You

cannot ...

For example, you may wish the 95%

**confidence interval**to be +2.8 mm or less for

your whitefish. Alternatively, you can define the relative level of precision desired.

For example, you may wish the 95%

**confidence interval**to be +6% of the ...

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Ecological Methodology Charles J. Krebs,CHARLES L. KREBS,Professor of Zoology Charles J Krebs No preview available - 1999 |