Statistics By Tony Cai.

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Presentation transcript:

Statistics By Tony Cai

Average Length of Sharpnose Sharks

Dead or Alive Turtle Game

25 Sea Cigars

Probability Probability

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

Theoretical Distribution

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

T-test The p-value of 0.000545 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.