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70 Pages

### 12 Two Sample Hypothesis

Course: BTRY 3010, Fall 2009
School: Cornell
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Word Count: 1994

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Hypothesis Two-Sample Equal and Unequal Variances (D&amp;B Chp. 10) Difference Between Two Means Data: trout1.txt, trout2.txt &amp; lead.washington.txt EqualScript: Lec12.TwoSampEqV.ssc UnEqualScript: Lec12.TwoSampUnEqV.ssc Brown Trout (Salmo trutta) Trout Length at Stocking 1977 Population : trout1 n = 99 mean = 136.5 mm var = 218.9 mm2 1978 Population : trout2 n = 100 mean = 207.8 mm var = 273.8 mm2...

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Regression EstimationLec14.Regression2.ssc alligator.txtAlligator Weight vs. Length500 alligator\$Weight 100 200 300 400 6006080100 alligator\$Length120140Alligator Datat(alligator) 12 345 6 7 8 9 10 11 12 Length 94 74 147 58 86 94 63 86 69 72 128
Cornell - BTRY - 3010
Prelim 2 ReviewD&amp;B Chapters 8, 9, 10, and 12How are populations characterized?MeanCentral tendencyVarianceSpreadStandard deviationSpread (in units of the mean)Standard errorVariation of the meanHow might we see if a population is different from
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Cornell - BTRY - 3010
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University of Texas - PHY - 303L
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University of Texas - PHY - 303L
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