D) Calculate the residual value for the gestation of a baboon, and state whether you over-predicted or under-predicted the gestation for a baboon in part (c)
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
![as reported in The World Almanac and Book of Facts 2006.
Longevity, x
(years)
Mammal
Gestation, y
Longevity, x
(years)
Mammal
Gestation, y
(days)
(days)
406
12
20
Camel
Baboon
187
63
12
219
18
Cat
Bear, black
20
Chimpanzee
Chipmunk
230
Bear, grizzly
225
25
240
20
31
Bear, polar
Cow
284
15
Beaver
105
Buffalo
285
15
Deer
201
8.
Dog
61
12
Monkey
164
15
Donkey
365
12
Moose
240
12
Elephant
645
40
Mouse
21
3
Elk
250
15
Opossum
13
1
Fox
52
7.
Pig
112
10
Giraffe
457
10
Puma
90
12
Goat
151
8
Rabbit
31
Gorilla
258
20
Rhinoceros
450
15
Guinea pig
48
Sea lion
350
12
Hippopotamus
238
41
Sheep
154
12
Horse
330
20
Squirrel
44
10
Kangaroo
36
Tiger
105
16
Leopard
98
12
Wolf
63
Lion
100
15
Zebra
365
15
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