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Statistics By Tony Cai.

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Presentation on theme: "Statistics By Tony Cai."— Presentation transcript:

1 Statistics By Tony Cai

2 Average Length of Sharpnose Sharks

3 Dead or Alive Turtle Game

4 25 Sea Cigars

5

6 Probability Probability

7 Variance Variance is used in statistics to determine how much variation is from the mean. Standard Deviation determines how spread out the data are.

8 Theoretical Distribution

9 Chi-Square Chi-Square measures if there are any significant differences between data sites or sources. Sum(observed –predicted) predicted

10 T-test The p-value of is less than 0.5, and 14 degrees of freedom, which means that there is a significant difference between the control and the treatment. The t-test determines whether there is a significant difference between the means of two independent samples, those of your treatment and control groups.

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