statistics
DESCRIPTION
Statistics. by Ian Rodriguez. Mean Size of Atlantic Sharp-nose Sharks. Percent of Turtle Survival. HI !!!!. Bottle Cap Count. Coral Survival. Frequency Distribution of Sea Cigars by Size. Variance. Varianc e - a measure of how far a set of numbers is spread out Formula for Variance =. - PowerPoint PPT PresentationTRANSCRIPT
StatisticsStatistics
by Ian Rodriguez by Ian Rodriguez
Mean Size of Atlantic Sharp-Mean Size of Atlantic Sharp-nose Sharksnose Sharks
920 940 960 980 1000 1020
Male
Female
Length in Millimeters
Gen
der o
f Sha
rks
Mean Length of Sharp-nose Sharks
Male
Female
Males Females920 840928 850935 932943 960950 960950 965954 972960 980962 980974 985975 995975 1000
10001009
952.1667 101010101010
952 102010251025
950 & 975 1028103010381043105410601160
997.8148
1009
1010
Percent of Turtle Survival Percent of Turtle Survival HI !!!!
ColorSurvived # of Hatchlings
Blue
13
25
Yellow
25
25
Green
18
25
Red
3
25
Orange
4
25
Bottle Cap CountBottle Cap CountColor Number of Caps Red 17
Orange 5Yellow 7Blue 13
Green 10Black 7White 12Clear 12
Total 82
Coral Survival Coral Survival
Frequency Distribution of Frequency Distribution of Sea Cigars by SizeSea Cigars by Size
Size Frequency1 02 03 04 05 06 07 28 09 210 111 112 313 214 215 416 317 218 119 020 021 023 124 025 0
VarianceVariance
VariancVariancee - - a measure of how far a set of numbers is spread outa measure of how far a set of numbers is spread out
Formula for Variance =Formula for Variance =
Data Points6.77.37.57.59.49.811.212.513.117
Variance 10.8
Standard Deviation Standard Deviation
Data Points6.77.37.57.59.49.811.212.513.117
Variance 10.8
Standard DeviationA quantity calculated to indicate the extent of
deviation for a group as a whole.
Sea Cigar DistributionSea Cigar Distribution
Theoretical Distribution Curve - ideal picture of a distribution based upon random sampling
Size Frequency6 0.38 0.8
10 1.512 2.214 2.516 2.218 1.520 0.822 0.3
T-TestT-Test
Control Treatment 14 1413 1313 1513 1513 1513 14
14141515
If p is less than 0.05 then there is a significant difference between your two groups.
Thank You!Thank You!
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