Math 132A
Histograms
A Continuous Numerical Variable
1.27
4.13
11.34
8
11.26
10.09
3.14
10.3
12.55
14.69
0.31
4.98
4.21
7.53
8.18
6.72
13.96
10.56
6.57
2.29
6.79
5.37
6.03
3.94
4.9
0.18
6.78
4.99
2.57
6.38
0
2
4
6
8
10
12
14
16
Constructing a Histogram
Histogram
1
2
3
4
5
6
7
0
2
4
6
8
10
12
14
16
bin
width
bin
boundaries
bin
c
ent
er
s
3
4
6
7
2
5
2
1
bin
c
ounts
How
man
y
number
s
ar
e
between
4
and
6
?
How
man
y
number
s
ar
e
l
es
s
than
10
?
How
man
y
number
s
ar
e
gr
e
at
er
than
6
?
How
man
y
number
s
ar
e
ther
e
?
How
man
y
number
s
ar
e
l
es
s
than
7?
Histogram Shapes: Uniform
Histogram Shapes: Bell
Histogram Shapes: Bi-modal
Histogram Shapes: Right Skew
Histogram Shapes: Left Skew
