Transcript Slide 1

Meet In The
Mid dle
72
The median is the middle
number in a series of numbers.
The median is the middle
number in a series of numbers.
The first step in finding the median is to place the
numbers in numerical order from least to greatest.
32
52
72
85
The first step in finding the median is to place the
numbers in numerical order from least to greatest.
The second step in finding the median is
finding the number that is in the middle of
the series.
The median is 52.
X X
32
52
X X
72
85
Find the median of the following
numbers: 73, 92, 25, 87, 61, 19, 104
The median is 73.
X 61,
19,
X 25,
X 73, 87,
X 92,
X 104
X
Find the median of the following
numbers: 86, 43, 12, 1, 75, 54, 77
The median is 54.
X1,X
12, X
43, 54, 75,
X 77,
X 86
X
Find
Oh, No!
the median
We haveofNO
thenumber
following
in the
numbers: 81, 56,
middle!
72, 3, 70, 90
X3, X
56, 70,
X 72,
X 81,
X 90
X
When there is no number in the
middle, you find the mean of
the middle two numbers.
70
+72
142
71
2 r 142
14
2
2
0
The median is
71.
X3, X
56, 70,
X 72,
X 81,
X 90
X
Find78the
median
+ 82
= 160of the following
numbers: 23,
16091,
÷ 78,
2 =87,
80 82, 5
median = 80
X
X5, X
23, 78, 82, 87,
X 91
Step 1: Place the numbers in numerical order
from least to greatest.
Step 2: Find the number that is in the middle
of the series.
{When there is no number in the middle, you find
the mean of the middle two numbers. }