StatisticsBy Sofia Diaz

Sharp-nose Sharks

Male

Female

920 930 940 950 960 970 980 990 1000

Mean length of Sharp-nose Sharks

Length in Centimeters

Gend

er o

f Sh

arp-

nose

Sha

rks

Turtle Hatchling Game

Blue Yellow Green Red Orange

0

5

10

15

20

25

Survived# Hatchli.

Turtle Hatchlings

Survived# Hatchli.

Color of Game Piece

Num

ber o

f Hat

chlin

gs

Bottle Caps# of Bottle Caps

12345678910

6

5

7

8

8

13

6

Sea Cigars

"1 - 5" "6 - 10" "11 - 15" "16 - 20" "21 - 25" "26 - 30"

Series1 NaN NaN NaN NaN NaN NaN

Series2 0 3 4 12 5 1

1

3

5

7

9

11

13

Frequency Distribution of Sea Cigars

Size Classes

# of

Sea

Cig

ars

Probability

Theoretical Observed0

0.05

0.1

0.15

0.2

0.25

Probability in Coral Survivor

Probability

Type of Probability

Surv

ival

Pro

babi

lity

Water Temp: 2Depth: 1Wave Action: 3

1 = least3 = most

Most Affecting Factors

Variance

• Variance – a value that is used in statistics to describe how far away your data is from your mean.

Standard Deviation

• Standard Deviation – how spread out data is. Equation: = (_______) = _______

______

Theoretical Distribution Chart

1 3 5 7 9 11 13 15 17 19 21 230

0.5

1

1.5

2

2.5

3

3.5

4

ADC of Sea Cigars

Frequency

SIze (cm.)

Freq

uenc

y

4 6 8 10 12 14 16 18 20 22 240

0.5

1

1.5

2

2.5

3

TDC of Sea Cigars

Size (cm.)

Freq

uenc

y

Theoretical Distribution Curve – is a theoretical or ideal picture of a distribution based upon random sampling.