correlation examples get ready to guess! teachers: click on view, notes page for information about...
TRANSCRIPT
Correlation Examples
Get ready to guess!
Teachers: click on View, Notes Page for information about each slide
Guessing correlation for REAL data
You will be presented with the data. Guess if it is linear or not. Guess if it has positive correlation, negative
correlation that is strong, moderate, or weak, or no correlation.
View the plot. See if you were right!
Alcohol consumption vs. Tobacco for regions in Great Britain
Alcohol consumption vs. Tobaccofor regions in Great Britain
Ignore Ireland: positive, moderate/strong
Ireland
Birthday vs. Draft Lottery Number
none
Birthday vs. Draft Lottery Number
Surprise! There is a little.
Hours of TV watched vs. Grades
Hours of TV
Tes
t S
core
s
10 12 14 16 18 20 22 24 26 28 30 3250
60
70
80
90
100
Hours of TV watched vs. Grades
Negative and moderate/strong
Boy’s Age vs. Height
Positive and strong
4 5 6 7 8 9 10 11 12 13 14 15 1640
42
44
46
48
50
52
54
56
58
60
62
64
66
68
70Boys growth ages 5-15
Age
Hei
gh
t (i
n)
Shoe size and IQ score
none
Sho
e si
ze
IQ Score
Smoking vs. Lung Cancer
Smoking vs. Lung Cancer
Positive and moderate/strong
Brain size vs. intelligenceMen = red Women = blue
Brain size vs. intelligenceMen = red Women = blue
Men: positive & weak Women:none
Changes in Birthrates from 1920-1970
Changes in Birthrates from 1920-1970
It isn’t linear!
Baby
boom
er y
ears
Peanut Butter Quality vs. Price
Positive and weak
10 15 20 25 30 35 40 45 50 55 60 65 70 75 80 85 904
6
8
10
12
14
16
18
20
22
24
26
28
30
32
34
Price
Qu
alit
y
Niceness vs. Behavior issues
Niceness vs. Behavior issues
Negative and moderate
2.2 2.4 2.6 2.8 3 3.2 3.4 3.6 3.8 4 4.2 4.4 4.6 4.8
5
10
15
20
25
30
35
0x
Niceness Rating
Beh
avio
r P
rob
lem
s