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Statistics By: Ethan Corey
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Sharp-nosed Sharks
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Sea Turtles
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Bottle Caps
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Sea Cigars Size Class Frequency "1-5" "6-10" 1 "11-15" 9 "16-20" 5
"6-10" 1 "11-15" 9 "16-20" 5 "21-25" 7 "26-30" 3 Sea Cigars
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The factors that affect corals survival are the temperature of the water, the water depth, how active the waves are. Will the Coral Survive Probability is a way to measure the chances that something will occur in relations to the possible alternative
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Variance σ2 The variance (s2) is calculated as:
9 13 14 15 16 17 18 20 21 22 23 24 25 26 28 30 28.3 Variance Variance σ2 The variance (s2) is calculated as: Variance is a value that is used in Statistics to describe how far away your data sets are from the mean. ∑=sum X=mean of the value n=number of numbers s2= Variance X=each data value
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9 13 14 15 16 17 18 20 21 22 23 24 25 26 28 30 5.3 Slandered Deviation Standard Deviation σ Standard Deviation describes how spread out the data are. ∑=sum X=mean of the value n=number of numbers σ= Standard Deviation X=each data value
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Theoretical Distribution(TDC)
It is an ideal picture of a distribution based upon a sampling
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T-Test Equation The P value has to be less than 0.05 to reject the null
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