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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
The students most often chose a painting project.
GUIDED PRACTICE for Example 1
1. The data at the top of the page could have been recorded in a frequency table as the information was gathered. Explain how this could be done and why this might be a better way to record the data.
GUIDED PRACTICE
2. What If? Suppose the choices for 5 more students were: sculpture, sculpture, drawing, drawing, sculpture. Make a new frequency table including these data. Which type of project was chosen most often?
for Example 1
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
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
GUIDED PRACTICE for Example 2
MULTIPLE REPRESENTATIONS The following data show the numbers of letters in students’ names. Use the data in Exercises 3–5.
6, 5, 4, 4, 5, 3, 9, 8, 6, 4, 3, 4, 7, 5, 4, 3, 8, 4, 9, 3
3. Make a frequency table of the data.
4. Make a line plot of the data.
5. Choose one of the displays. Use it to find out whether more students have names with 3 letters or names with 7 or more letters. Describe which display you choose and how you use it to answer the question.
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