# Lesson: Scatter Plots Lesson Topic: Construct a scatter plot from data in a table Question 1:

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### Lesson Topic: Construct a scatter plot from data in a table

Which scatter plot represents the data shown in this table? Question 1:

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Which scatter plot represents the data shown in this table? Question 2:

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Which scatter plot represents the data shown in this table? Question 3:

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Which scatter plot represents the data shown in this table? Question 4:

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Which scatter plot represents the data shown in this table? Question 5:

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### Lesson Topic: Find the y-value in a graph when given the x-value

How many points were scored when 5 games were played.

22

34

21

23 Question 1:

How many points were scored when 6 games were played. Question 2:

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22

72

92

34

What was the English score when a student read 28 books?

82

72

22

65 Question 3:

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How many points were scored when 13 games were played. 34 44 22 59 Question 4:

What is the math score when a student had 8 absences? Question 5:

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92

50

78

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### Lesson Topic: Determine if the trend of the variables is linear or nonlinear

Determine the trend between daily amount of exercise and science scores.

Linear

Nonlinear Question 1:

Determine the trend between daily amount of exercise and science scores.

Linear Question 2:

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Nonlinear

Determine the trend between absences and science scores.

Linear

Nonlinear Question 3:

Determine the trend between absences and science scores.

Linear Question 4:

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Nonlinear

Determine the trend between math scores and science scores.

Linear

Nonlinear Question 5:

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### Lesson Topic: Determine the association of two variables

What type of relationship does this plot show between daily minutes of watching television and daily minutes of exercise?

Positive

Negative

No association Question 1:

What type of relationship does this plot show between money in a savings account and temperature? Question 2:

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Positive

Negative

No association

What type of relationship does this plot show between temperature and number of classmates wearing shorts?

Positive

Negative

No association Question 3:

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What type of relationship does this plot show between the number of siblings and points scored?

Positive

Negative

No association Question 4:

What type of relationship does this plot show between temperature and English score?

Positive Question 5:

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Negative

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### Lesson Topic: Determine the association between two variables in a sorted table

Using the table below, what type of relationship is there between negative reviews and daily restaurant attendance?

Positive

Negative

No association Question 1:

Using the table below, what type of relationship is there between number of wins per season and average attendance?

Positive

Negative

No association Question 2:

Using the table below, what type of relationship is there between negative reviews and daily restaurant attendance?

Positive

Negative

No association Question 3:

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Using the table below, what type of relationship is there between number of siblings and science score?

Positive

Negative

No association Question 4:

Using the table below, what type of relationship is there between number of staff and average wait time?

Positive

Negative

No association Question 5:

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### Lesson Topic: Determine the association between two variables in an unsorted table

Using the table below, what type of relationship is there between negative reviews and daily restaurant attendance?

Positive

Negative

No association Question 1:

Using the table below, what type of relationship is there between time spent working and salary earned?

Positive

Negative

No association Question 2:

Using the table below, what type of relationship is there between playing time and points scored?

Positive

Negative Question 3:

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No association

Using the table below, what type of relationship is there between number of cookies consumed and calories consumed?

Positive

Negative

No association Question 4:

Using the table below, what type of relationship is there between number of boxes sold and profit?

Positive

Negative

No association Question 5:

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### Lesson Topic: Find the outliers of the scatter plot

Which data point(s) are outside the cluster, in other words, the outliers?

Check all that are true. (15, 30) (40, 80) (25, 50) (45, 90) (13, 70) Question 1:

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Which data point(s) are outside the cluster, in other words, the outliers?

Check all that are true. (20, 40) (15, 30) (25, 50) (30, 60) (40, 2) Question 2:

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Which data point(s) are outside the cluster, in other words, the outliers?

Check all that are true. (4, 22) (9, 40) (39, 33) (1, 84) (28, 72) Question 3:

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Which data point(s) are outside the cluster, in other words, the outliers?

Check all that are true. (34, 91) (31, 82) (28, 72) (22, 65) (24, 3) Question 4:

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Which data point(s) are outside the cluster, in other words, the outliers?

Check all that are true. (4, 84) (2, 6) (17, 91) (5, 72) (12, 40) Question 5:

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### Lesson Topic: Use the data points in the graph to draw the line of best fit

Which of the following shows the line of best fit that matches this data the best? Question 1:

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Which of the following shows the line of best fit that matches this data the best? Question 2:

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Which of the following shows the line of best fit that matches this data the best? Question 3:

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Which of the following shows the line of best fit that matches this data the best? Question 4:

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Which of the following shows the line of best fit that matches this data the best? Question 5:

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### Lesson Topic: Determine the association between variables using the line of best fit

Which of the following statements correctly explains the relationship of the two variables in the graph?

There is a negative linear association between cars on road and waiting time. As cars on road increase, the waiting time increases.

There is a negative linear association between cars on road and waiting time. As cars on road increase, the waiting time decreases.

There is a positive linear association between cars on road and waiting time. As cars on road increase, the waiting time decreases.

There is a positive linear association between cars on road and waiting time. As cars on road increase, the waiting time increases.

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Which of the following statements correctly explains the relationship of the two variables in the graph?

There is a positive linear association between average fan attendance and number of tracks sold. As average fan attendance increases, the number of tracks sold increases. There is a negative linear association between average fan attendance and number of tracks sold. As average fan attendance increases, the number of tracks sold increases. There is a positive linear association between average fan attendance and number of tracks sold. As average fan attendance increases, the number of tracks sold decreases. There is a negative linear association between average fan attendance and number of tracks sold. As average fan attendance increases, the number of tracks sold decreases. Question 2:

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Which of the following statements correctly explains the relationship of the two variables in the graph?

There is a positive linear association between restaurant orders and profit. As restaurant orders increase, the profit increases.

There is a negative linear association between restaurant orders and profit. As restaurant orders increase, the profit decreases.

There is a negative linear association between restaurant orders and profit. As restaurant orders increase, the profit increases.

There is a positive linear association between restaurant orders and profit. As restaurant orders increase, the profit decreases.

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Which of the following statements correctly explains the relationship of the two variables in the graph?

There is a positive linear association between speed of car and breaking distance. As speed of car increases, the breaking distance increases.

There is a negative linear association between speed of car and breaking distance. As speed of car increases, the breaking distance increases.

There is a positive linear association between speed of car and breaking distance. As speed of car increases, the breaking distance decreases.

There is a negative linear association between speed of car and breaking distance. As speed of car increases, the breaking distance decreases.

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Which of the following statements correctly explains the relationship of the two variables in the graph?

There is a positive linear association between absences and math score. As absences increase, the math score increases.

There is a positive linear association between absences and math score. As absences increase, the math score decreases.

There is a negative linear association between absences and math score. As absences increase, the math score increases.

There is a negative linear association between absences and math score. As absences increase, the math score decreases.

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### Lesson Topic: Assess the model fit of the line of best fit

Which line of best fit provides the best model for the relationship between these two variables? Question 1:

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Which line of best fit provides the best model for the relationship between these two variables? Question 2:

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Which line of best fit provides the best model for the relationship between these two variables? Question 3:

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Which line of best fit provides the best model for the relationship between these two variables? Question 4:

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Which line of best fit provides the best model for the relationship between these two variables? Question 5:

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### Lesson Topic: Determine the linear equation of the line of best fit when given 2 points

Using the two points, select the line of best fit that best explains the graph above.

y = 9⁄5 x + 13

y = 5⁄9 x + 13

y = -9⁄5 x + 13

y = -5⁄9 x + 13 Question 1:

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Using the two points, select the line of best fit that best explains the graph above. y = -2x + 20 y = 2x + 20 y = -x + 20 y = x + 20 Question 2:

Using the two points, select the line of best fit that best explains the graph above. Question 3:

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y = -5⁄7 x + 11

y = 5⁄7 x + 11

y = 7⁄5 x + 11

y = -7⁄5 x + 11

Using the two points, select the line of best fit that best explains the graph above.

y = 3⁄2 x + 6

y = 2⁄3 x + 6

y = -2⁄3 x + 6

y = -3⁄2 x + 6 Question 4:

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Using the two points, select the line of best fit that best explains the graph above. y = 5⁄2 x + 1 y = -2⁄5 x + 1 y = -5⁄2 x + 1 y = 2⁄5 x + 1 Question 5:

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### Lesson Topic: Interpret the y-intercept of the line of best fit

Using the line of best fit, predict the average temperature when height above sea level equals 0. degrees

Question 1:

Using the line of best fit, predict the average temperature when height above sea level equals 0. degrees

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Using the line of best fit, predict the monthly cell phone bill when shared data equals 0. dollars

Question 3:

Using the line of best fit, predict the monthly cell phone bill when shared data equals 0. dollars

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Using the line of best fit, predict the English score when books read equals 0. percent

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### Lesson Topic: Interpret the slope of the line of best fit

Using the line of best fit, find the anticipated decrease of the math score if the number of absences were to increase by 10.

The math score would decrease by points. Question 1:

Using the line of best fit, find the anticipated decrease in daily restaurant attendance if the number of negative reviews were to increase by 7.

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The daily restaurant attendance would decrease by people.

Using the line of best fit, find the anticipated increase in math score if the English score were to increase by 10 points.

The math score would increase by points. Question 3:

Using the line of best fit, find the anticipated increase in the participation score if the number of absences were to decrease by 2.

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The participation score would increase by points.

Using the line of best fit, find the anticipated increase in English score if the number of books read were to increase by 30.

The English score would increase by points. Question 5:

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### Lesson Topic: Approximate the equation of a line of best fit

Approximate the equation of a line of best fit using the graph above.

y = 3⁄5 x + 30 y = -2x + 93 y = 10x + 412 y = -20x + 62 Question 1: Question 2:

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Approximate the equation of a line of best fit using the graph above.

y = -3x + 23

y = 4⁄5 x + 44

y = 9x + 10

y = -9⁄4 x + 99

Approximate the equation of a line of best fit using the graph above.

y = 8x + 400

y = -5x + 700

y = -2x + 180

y = 4x + 156 Question 3:

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Approximate the equation of a line of best fit using the graph above. y = 2⁄7 x + 22 y = 4x + 100 y = -13x + 320 y = -5x + 427 Question 4:

Approximate the equation of a line of best fit using the graph above. Question 5:

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y = -20x + 200

y = 2x + 80

y = 10x + 400

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### Lesson Topic: Make predictions using the line of best fit

Using the data on this scatter plot and the equation of the line of best fit, predict the salary earned when a person works 5 hours.

dollars Question 1:

Using the data on this scatter plot and the equation of the line of best fit, predict the monthly cost when 20 hours of power is consumed.

dollars Question 2:

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Using the data on this scatter plot and the equation of the line of best fit, predict the daily restaurant attendance when a restaurant has 45 negative reviews.

people

Using the data on this scatter plot and the equation of the line of best fit, predict the distance traveled when a car uses 8 gallons of gas.

miles Question 4:

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Using the data on this scatter plot and the equation of the line of best fit, predict the salary earned when a person works 70 hours.

dollars Question 5:

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### Lesson Topic: Construct a two-way table from a data set

Using the information above, construct a two-way table showing the relationship between having a MP3 player and a cell phone.

MP3 Player No MP3 Player Cell Phone

No Cell Phone Question 1:

Using the information above, construct a two-way table showing the relationship between having a MP3 player and a cell phone.

MP3 Player No MP3 Player Question 2:

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Cell Phone No Cell Phone

Using the information above, construct a two-way table showing the relationship between gender and having pets.

Boys Girls

Have Pets No Pets Question 3:

Using the information above, construct a two-way table showing the relationship between marriage and having kids.

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Single Married Have Kids

No Kids

Using the information above, construct a two-way table showing the relationship between gender and dominant writing hand.

Boys Girls

Left-handed Right-handed Question 5:

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### Lesson Topic: Determine the association of two variables using a two-way table

Is there an association between marriage and having kids?

Yes

No Question 1:

Is there an association between playing sports and having siblings?

Yes

No Question 2:

Is there an association between grade level and receiving news from television?

Yes Question 3:

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No

Is there an association between grade level and drinking soft drinks at home?

Yes

No Question 4:

Is there an association between doing chores and receiving allowance?

Yes

No Question 5:

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### Lesson Topic: Interpret a two-way table

Of the people who do chores, what percent receive an allowance? Round to the tenths place.

% Question 1:

Of the students who are boys, what percent are left-handed? Round to the tenths place.

% Question 2:

Of the students who are girls, what percent are right-handed? Round to the tenths place.

% Question 3:

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Of the people who do not do chores, what percent receive an allowance? Round to the tenths place.

% Question 4:

Of the people who are married, what percent have kids? Round to the tenths place.

% Question 5:

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