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By: Ethan Corey Sharp-nosed Sharks Mean Length of Sharpnosed Shark Female Gender of Sharks 998 Male 952 920 930 940 950 960 970 980 Length in millimeters 990 1000 1010 Sea Turtles 25 # of turtles 20 15 Survived #Hachlings 10 5 0 #Hachlings Blue Yellow Green Player Color Survived Red Orange Bottle Caps % of Caps Bottle Caps Washed Up on the Beach 1% 13% 21% Red 18% 4% Orange Yellow 9% Blue Green 6% Black White 14% 14% Clear Other Sea Cigars Size Class Frequency "1-5" 0 "6-10" 1 "11-15" 9 "16-20" 5 "21-25" 7 "26-30" 3 Frequency Distribution of Sea Cigars 9 Amount of Mangrove Seed Per Group 8 7 6 5 4 3 2 1 0 "1-5" "6-10" "11-15" "16-20" Size Interval of Sea Cigar in cm. "21-25" "26-30" The factors that affect corals survival are the temperature of the water, the water depth, how active the waves are. Will the Coral Survive Trial# Probability of Coral Survival 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 Observed Theoretical 0 0.05 0.1 0.15 0.2 0.25 What the Probability Was 0.3 0.35 0.4 Water Temp. Depth 1 5 6 1 4 5 3 4 2 1 3 3 6 2 4 5 1 4 2 4 4 6 6 2 3 4 3 2 1 2 3 2 4 4 3 4 Wave Action 6 1 1 2 6 5 4 4 5 6 3 6 1 3 5 6 4 4 Probability is a way to measure the chances that something will occur in relations to the possible alternative 9 13 13 14 14 15 15 15 15 15 16 17 18 18 20 21 21 22 23 23 24 25 26 28 30 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 28.3 Variance 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 9 13 13 14 14 15 15 15 15 15 16 17 18 18 20 21 21 22 23 23 24 25 26 28 30 5.3 Slandered Deviation Theoretical Distribution(TDC) • It is an ideal picture of a distribution based upon a sampling Actual Distribution of 25 Sea Cigars TDC of Sea Cigars by Length 3 4 3.5 2.5 3 Frequency Frequency 2 1.5 1 2.5 2 1.5 1 0.5 0.5 0 0 0 5 10 15 Length of Sea Cigars ijn cm. 20 25 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Length of Sea Cigars in cm. T-Test Equation The P value has to be less than 0.05 to reject the null