Post on 25-Jun-2015
Frequency Tables and Line Plots
Section 2.4
EXAMPLE 1 Making a Frequency Table
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
ANSWER
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
ANSWER
EXAMPLE 1
To find which type of art project was chosen most often, you can make a frequency table.
Making a Frequency Table
The students most often chose a painting project.
EXAMPLE 2 Making a Line Plot
Summer Reading
EXAMPLE 2 Making a Line Plot
Summer Reading
EXAMPLE 2 Making a Line Plot
The frequency table shows how many books the students in a class read during summer vacation.
Summer Reading
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
The frequency table shows how many books the students in a class read during summer vacation.
Summer Reading
EXAMPLE 2
a. Make a line plot of the data.
b. Use the line plot to find the total number of students.
Making a Line Plot
The frequency table shows how many books the students in a class read during summer vacation.
Summer Reading
EXAMPLE 2
a. Make a line plot of the data.
b. Use the line plot to find the total number of students.
c. Use the line plot to find how many students read four or more books.
Making a Line Plot
The frequency table shows how many books the students in a class read during summer vacation.
SOLUTION
EXAMPLE 2 Making a Line Plot
SOLUTION
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
SOLUTION
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
SOLUTION
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
SOLUTION
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
SOLUTION
b. There are 22 x marks in all, so the total number of students is 22.
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot
SOLUTION
c. The total number of x marks above the numbers 4, 5 and 6 is six, so six students read four or more books.
b. There are 22 x marks in all, so the total number of students is 22.
EXAMPLE 2
a. Make a line plot of the data.
Making a Line Plot