Mode

Mode = Most Frequent Number


Basics
The mode is the most frequent number in a group of numbers.

In order to find the mode, it is helpful to create a row or a column of numbers from lowest to highest.


Formulas (NOT provided by Formula Sheet)

Mode = Most Frequent Number


Question
What is the mode of 1, 2, 2, 3, 4, 5, 5, 5, 6, 6, 6, 6, 7?

Answer
6

Answer Process
Row
mode6

Column
7
6  6  6  6  <— Mode
5  5  5
4
3
2  2
1


Question

A gardener counts the colors of the ten roses blooming in her garden.  She counts 1 white rose (W), 2 red roses (R), 2 yellow roses (Y), 3 pink roses (P), and 2 orange roses (O).
What is the color that represents the mode of the blooming roses?

Answer
Pink

Answer Process
Row
modepink

Column
O O
P P P <— Mode
Y Y
R R
W


Question

A real estate agent tabulates the number of houses ten clients visit before making a purchase.  The most common number of visits is 4.  Place an X to complete the graph representing the house-hunting mode.
modehousequestion

Answer
modehouseanswer

Answer Process
There are nine X’s representing nine clients on the original graph.  The tenth X must be placed above the number 4 to complete the graph in keeping with the mode.
modehouseanswerprocess


Practice – Questions
1.  What is the mode of 1, 2, 2, 2, 3, 4, 5, 5, 5, 5, 6, 6, 6, 7?

2.  What is the mode of $125,000, $179,000, $179,000, $225,000, and $276,000?

3.  A real estate agent tabulates the number of houses ten clients visit before making a purchase.  The most common number of visits is 6.  Place an X to complete the graph representing the house-hunting mode.
modehousepracticequestion

4.  A game show host keeps track of the number of questions he can ask before he needs a sip of water during ten shows.  The mode for the number of questions before a sip of water is needed is 3.  Place an X to complete the graph representing the sip-needing mode.
gameshowpracticequestion1

5.  A game show host keeps track of the number of questions he can ask before he needs a sip of water during ten shows.  The mode for the number of questions before a sip of water is needed is 7.  Place an X to complete the graph representing the sip-needing mode.
gameshowpracticequestion2


Practice – Answers
1.  5

2.  $179,000

3.
modehousepracticeanswer

4.
gameshowpracticeanswer1

5.
gameshowpracticeanswer2

 

About Scott Solomon

HowtoPasstheGED.com gears up adult learners for the recently redesigned, newly computerized GED. ScottSolomon.com delves into my literary fiction.
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