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 on Mathematics 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
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
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.
Answer
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.
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.
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.
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.
Practice – Answers
1. 5
2. $179,000
3.
4.
5.
