1. Statistics
by Ian Rodriguez

2. Mean Size of Atlantic Sharp-nose Sharks
Males
Females
920
840
928
850
935
932
943
960
950
965
954
972
980
962
974
985
975
995
1000
1009
1010
952
1020
1025
950 & 975
1028
1030
1038
1043
1054
1060
1160

3. Percent of Turtle Survival
HI !!!!

4. Bottle Cap Count

5. Coral Survival

6. Frequency Distribution of Sea Cigars by Size

7. Variance - a measure of how far a set of numbers is spread out
Formula for Variance =

8. Standard Deviation Standard Deviation
A quantity calculated to indicate the extent of deviation for a group as a whole.

9. Sea Cigar Distribution
Size
Frequency 6
0.3 8
0.8 10
1.5 12
2.2 14
2.5 16 18 20 22
Theoretical Distribution Curve -
ideal picture of a distribution based upon random sampling

10. T-Test
Control
Treatment 14 13 15
If p is less than 0.05 then there is a significant difference between your two groups.

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