2.4 frequency and line plots

21
Frequency Tables and Line Plots Section 2.4

Transcript of 2.4 frequency and line plots

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Frequency Tables and Line Plots

Section 2.4

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EXAMPLE 1 Making a Frequency Table

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EXAMPLE 1

To find which type of art project was chosen most often, you can make a frequency table.

Making a Frequency Table

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EXAMPLE 1

To find which type of art project was chosen most often, you can make a frequency table.

Making a Frequency Table

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EXAMPLE 1

To find which type of art project was chosen most often, you can make a frequency table.

Making a Frequency Table

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EXAMPLE 1

To find which type of art project was chosen most often, you can make a frequency table.

Making a Frequency Table

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ANSWER

EXAMPLE 1

To find which type of art project was chosen most often, you can make a frequency table.

Making a Frequency Table

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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.

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EXAMPLE 2 Making a Line Plot

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Summer Reading

EXAMPLE 2 Making a Line Plot

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Summer Reading

EXAMPLE 2 Making a Line Plot

The frequency table shows how many books the students in a class read during summer vacation.

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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.

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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.

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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.

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SOLUTION

EXAMPLE 2 Making a Line Plot

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SOLUTION

EXAMPLE 2

a. Make a line plot of the data.

Making a Line Plot

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SOLUTION

EXAMPLE 2

a. Make a line plot of the data.

Making a Line Plot

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SOLUTION

EXAMPLE 2

a. Make a line plot of the data.

Making a Line Plot

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SOLUTION

EXAMPLE 2

a. Make a line plot of the data.

Making a Line Plot

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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

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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