Transcript Range, Median & Mode

Range-the
difference
between the
greatest
number and the
least number in
a data set.
Time it Takes to Get to School
Step 1:
Subtract the
least number…
…from the
greatest
number.
This is the
distance
between the
numbers on the
number line.
0
5 10 15 20 25 30
Minutes
30 – 5 = 25
Range: 25
Find the range for the data below.
4, 9, 8, 5, 5, 8, 6, 8, 7
9 – 4 = 5
Range: 5
Median- the
middle number
in a group of
numbers
arranged in
numerical
order.
Time it Takes to Get to School
Step 1:
Arrange the
numbers from
least to
greatest.
Step 2:
“Hack and
Whack” to find
the middle
number.
0
5 10 15 20 25 30
Minutes
5, 5, 10, 10, 10, 10, 15, 15, 20, 20, 20, 25, 30
Median: 15
Find the median for the data below.
  

  
 
4, 9, 8, 5, 5, 8, 6, 8, 7
, , , , , , , ,
Median: 7
Mode- the
number or
numbers that
occur most
often in a
collection of
data. There
can be no mode
and there can
be more than 1
mode.
Step 1:
See which
number (or
numbers)
appears most
often.
This is the
mode!
Time it Takes to Get to School
0
5 10 15 20 25 30
Minutes
5, 5, 10, 10, 10, 10, 15, 15, 20, 20, 20, 25, 30
Mode:10
Find the mode for the data below.
4, 9, 8, 5, 5, 8, 6, 8, 7
Mode: 8
Find the range, median, and mode for the data below.
Number of Siblings
6–0=6
0
1
2
3 4
Range
6
Median
2
Mode
1&2
5 6
Siblings
0, 0, 1, 1, 1, 2, 2, 2, 3, 4, 6
Find the range, median, and mode for the data below.

 
 
 
56, 88, 100, 34 , 96 , 57, 92
,
,
,
,
,
,
100 – 34 = 66
Range
66
Median
88
Mode
none