Eighth Grade (Grade 8) Scatter Plots Questions for Tests and Worksheets

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Grade 8 Scatter Plots

The following scatterplot represents a positive association.

True
False

Grade 8 Scatter Plots

The following scatterplot is a great example of linear association.

True
False

Grade 8 Scatter Plots CCSS: 8.SP.A.1

If a scatter plot has a line of best fit that decreases from left to right, which of the following terms best describes the association?

Positive association
Negative association
Constant association
Nonlinear association

Grade 8 Scatter Plots CCSS: 8.SP.A.1

Which scatter plot shows a positive trend?

Grade 8 Scatter Plots CCSS: 8.SP.A.1

If the four data points listed were added to the scatter plot, which point would be an outlier?

(10, 175)
(30, 70)
(50, 100)
(70, 45)

Grade 8 Scatter Plots CCSS: 8.SP.A.2

Which equality has the best line fit for the data shown below?
x - 0, 1, 2, 3, 4
y - 0, 3, 6, 9, 12

$y=x+3$
$y=3x$
$y=-3x$
$y=x-3$

Grade 8 Scatter Plots CCSS: 8.SP.A.1

Which scatter plot shows no trend?

Grade 8 Scatter Plots CCSS: 8.SP.A.2

Which of the equations below best represents the line with the following points?
x - 0, 1, 2, 3, 4
y - 10, 9, 8, 7, 6

$y=x+10$
$y=-x-10$
$y=x-10$
$y=-x+10$

Grade 8 Scatter Plots CCSS: 8.SP.A.1

If the four data points listed were added to the scatter plot, which point would be an outlier?

(10, 190)
(40, 125)
(75, 50)
(80, 220)

Grade 8 Scatter Plots CCSS: 8.SP.A.1

Which scatter plot shows a negative trend?

Grade 8 Scatter Plots CCSS: 8.SP.A.1

If the four data points listed were added to the scatter plot, which point would be an outlier?

(15, 16)
(25, 10)
(30, 32)
(45, 44)

Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

Which situation best represents an outlier data point if it was plotted on the scatter plot?

The average temperature in March was $40 deg F$ . The family's heating bill that month was $140.
The average temperature in March was $50 deg F$ . The family's heating bill that month was $120.
The average temperature in March was $60 deg F$ . The family's heating bill that month was $180.
The average temperature in March was $70 deg F$ . The family's heating bill that month was $50.

Grade 8 Scatter Plots CCSS: 8.SP.A.1

Which scatter plot shows a positive trend?

Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

Does the scatter plot show a linear pattern or a nonlinear pattern?

linear pattern
nonlinear pattern

Grade 8 Scatter Plots

Typically, air temperature decreases through the night between midnight and 6:00 am. This is an example of what type of association?

constant association
positive linear association
negative linear association
no association

Grade 8 Scatter Plots CCSS: 8.SP.A.1

Make a scatter plot to show the measurement of sales. Write POSITIVE, NEGATIVE, or NO CORRELATION.

${:(Cust omers, 47, 56, 35, 75, 25),(Sal es, 425, 501, 490, 350, 375):}$

Hint: Remember that measurement displays on the left of the graph
ANSWER: NO CORRELATION

Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

Which statement best interprets the data shown on the scatter plot?

The family had lower monthly heating bills during months with high average temperatures.
The family had higher monthly heating bills during months with high average temperatures.
There is no relationship between the family's heating bill and the average monthly temperatures.

Grade 8 Scatter Plots CCSS: 8.SP.A.1

The graph of this data would most resemble a positive linear graph.
x: 8, 7, 6, 5, 4, 3, 2
y: 1, 2, 3, 4, 5, 6, 7

True
False

Grade 8 Scatter Plots CCSS: 8.SP.A.1

The following are nine students' scores in History: 63, 49, 84, 33, 55, 23, 71, 62, and 41. The following are their respective English scores: 67, 69, 82, 32, 59, 26, 73, 62, and 39. What is the association between the grades?

Positive association
Negative association
Nonlinear association
Constant association

Grade 8 Scatter Plots CCSS: 8.SP.A.1

This question is a part of a group with common instructions. View group »

The family has a monthly heating bill of $100. Which of the following was most likely the average temperature for that month?

$10 deg F$
$30 deg F$
$50 deg F$
$70 deg F$

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Eighth Grade (Grade 8) Scatter Plots Questions