Math I
Unit 4 – Part 2
Name ____________________________
Graphic Organizer #1: Do you remember…?
Mean
Median
Mode
Range
To find the mean of
the high temperatures
in a week, which
were 80, 78, 81, 83,
76, 82, and 80
To find the mean of
the high temperatures
in a week, which
were 80, 78, 81, 83,
76, 82, and 80
To find the mode of
the high temperatures
in a week, which
were 80, 78, 81, 83,
76, 82, and 80
To find the range of
the high temperatures
in a week, which
were 80, 78, 81, 83,
76, 82, and 80
STEPS:
STEPS:
STEPS:
STEPS:
1. Add numbers
together
1. Put numbers in order
from smallest to
largest


3. Divide 1st step by 2nd
step
2. Find the middle
number.
(If two, add them up
and divide by 2)

Answer: _____________
Answer: ____________
Answer: _____________

2. Count total of #s
The number that
appears the most.
If all appear once –
then no mode.
If several appear the
same number of
times, they are ALL
modes.
Subtract the lowest
value from the
highest value
Answer: _____________
EXAMPLES:
Find the mean, median, mode, and range of the following sets of data.
1.
10, 16, 25, 28, 36, 37, 41, 45, 66, 67, 96
Mean : __________ Median: ____________ Mode: _________ Range: __________
2. 12, 15, 41, 43, 44, 46, 48, 68, 69, 44, 73, 91
Mean : __________ Median: ____________ Mode: _________ Range: __________
3. 85, 29, 34, 40, 44, 47, 52, 58, 58, 58, 63, 72, 75, 58, 77, 82, 29
Mean : __________ Median: ____________ Mode: _________ Range: __________