#4.4 Scatter Plots and Lines of Fit

The scatter plot shows students' scores for Quiz 1 and Quiz 2. What is the Quiz 1 score for a student who earned a score of 13 on Quiz 2?

• 10

• 19

• 15

• None of the students scored a 13 on Quiz 2.

Tags

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

The scatter plot shows students' scores for Quiz 1 and Quiz 2. One student earned the same score on both Quizzes. What was that score?

• 10

• 19

• 15

• 17

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

The scatter plot shows students' scores for Quiz 1 and Quiz 2. Find the FALSE statement.

• Two students scored a 20 on Quiz 1

• The lowest score on Quiz 1 was a 10.

• No student scored a 16 on either Quiz.

• One student scored a 20 on Quiz 2.

Tags

CCSS.8.SP.A.1

Tell whether x and y show a positive, a negative, or no correlation.

• Positive correlation

• Negative correlation

• No correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Tell whether x and y show a positive, a negative, or no correlation.

• Positive correlation

• Negative correlation

• No correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Tell whether x and y show a positive, a negative, or no correlation.

• Positive correlation

• Negative correlation

• No correlation

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

Which choice is the best possible equation for this set of data?

• $y=\frac{30}{4}x+10$

• $y=\frac{4}{30}x-10$

• $y=\frac{30}{4}x+20$

• $y=\frac{4}{30}x-20$

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.3

Which choice CANNOT be the line of best fit?

• $y=x+1$

• $y=-x+1$

• $y=x$

• $y=x+1.2$

Tags

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.F.B.5

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

What is the weight of the baby when the baby is four months old?

• 10 lbs

• 12 lbs

• 14 lbs

• 16 lbs

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.1

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

How much weight did the baby gain in the first 6 months of life?

• 6 lbs

• 8 lbs

• 10 lbs

• 12 lbs

Tags

CCSS.4.MD.A.1

CCSS.4.MD.A.2