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Statistics Slide Show By, Isa Antonini.

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Presentation on theme: "Statistics Slide Show By, Isa Antonini."— Presentation transcript:

1 Statistics Slide Show By, Isa Antonini

2 Sharp-nosed Shark Sizes

3 Baby Turtle Survival

4 Probability Probability- a way to measure the chances that something will occur in relation to the possible alternatives. In other words, it is the chance that something will happen.

5 Distribution of 25 Sea Cigars

6 Percent Composition of Flotsam

7 ariance & tandard eviation
Variance (s²)-how much variation there is away from the mean x= mean of data X= each data value Standard Deviation-the square root of variance s² = ∑ (x – X)² n-1

8 TDC of 25 Sea Cigars

9 The Chi-Square is used to test to see if there are any significant difference between data sites
∑ (observed – predicted)² predicted

10 The t-test is used to test whether there is a significant difference between the means of two independent samples


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