Transcript Statistics - University of Miami

By: Ethan Corey
Sharp-nosed Sharks
Mean Length of Sharpnosed Shark
Female
Gender of Sharks
998
Male
952
920
930
940
950
960
970
980
Length in millimeters
990
1000
1010
Sea Turtles
25
# of turtles
20
15
Survived
#Hachlings
10
5
0
#Hachlings
Blue
Yellow
Green
Player Color
Survived
Red
Orange
Bottle Caps
% of Caps Bottle Caps Washed Up on the Beach
1%
13%
21%
Red
18%
4%
Orange
Yellow
9%
Blue
Green
6%
Black
White
14%
14%
Clear
Other
Sea Cigars
Size Class Frequency
"1-5"
0
"6-10"
1
"11-15"
9
"16-20"
5
"21-25"
7
"26-30"
3
Frequency Distribution of Sea Cigars
9
Amount of Mangrove Seed Per Group
8
7
6
5
4
3
2
1
0
"1-5"
"6-10"
"11-15"
"16-20"
Size Interval of Sea Cigar in cm.
"21-25"
"26-30"
The factors that affect corals survival are the temperature of the water, the water depth, how
active the waves are.
Will the Coral Survive
Trial#
Probability of Coral Survival
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Observed
Theoretical
0
0.05
0.1
0.15
0.2
0.25
What the Probability Was
0.3
0.35
0.4
Water Temp. Depth
1
5
6
1
4
5
3
4
2
1
3
3
6
2
4
5
1
4
2
4
4
6
6
2
3
4
3
2
1
2
3
2
4
4
3
4
Wave Action
6
1
1
2
6
5
4
4
5
6
3
6
1
3
5
6
4
4
Probability is a
way to
measure the
chances that
something will
occur in
relations to the
possible
alternative
9
13
13
14
14
15
15
15
15
15
16
17
18
18
20
21
21
22
23
23
24
25
26
28
30
Variance σ2
The variance (s2) is calculated as:
Variance is a value that is used in Statistics to describe how far
away your data sets are from the mean.
∑=sum
X=mean of
the value
n=number of
numbers
s2= Variance
X=each data
value
28.3
Variance
Standard Deviation σ
Standard Deviation describes how spread out the data are.
∑=sum
X=mean of
the value
n=number of
numbers
σ= Standard
Deviation
X=each data
value
9
13
13
14
14
15
15
15
15
15
16
17
18
18
20
21
21
22
23
23
24
25
26
28
30
5.3
Slandered Deviation
Theoretical Distribution(TDC)
• It is an ideal picture of a
distribution based upon a
sampling
Actual Distribution of 25 Sea Cigars
TDC of Sea Cigars by Length
3
4
3.5
2.5
3
Frequency
Frequency
2
1.5
1
2.5
2
1.5
1
0.5
0.5
0
0
0
5
10
15
Length of Sea Cigars ijn cm.
20
25
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25
Length of Sea Cigars in cm.
T-Test Equation
The P value
has to be less
than 0.05 to
reject the null