Line of best fit math 8 Quiz

Line of best fit math 8

Quiz

•

Mathematics

•

9th Grade

•

Practice Problem

•

Hard

•

CCSS

8.SP.A.1, 8.F.B.4, 8.SP.A.2

+3

Standards-aligned

Mary Flanagan

FREE Resource

10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books. Use the trend line to predict how many chapters would be in a book with 180 pages.

12 chapters

15 chapters

18 chapters

21 chapters

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What type of correlation does this scatter plot show?

positive

negative

no correlation

nonlinear association

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 6 absences should get approximately what score on the final exam?

65

92

70

76

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Based on the graph, if Joe earned $400, how many hours did he work?

25 hours

35 hours

45 hours

15 hours

Tags

CCSS.8.EE.B.5

CCSS.8.F.A.3

CCSS.8.F.B.4

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the type of correlation?

Negative

no correlation

positive

Tags

CCSS.8.SP.A.1

CCSS.8.SP.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the equation of the line of best fit?

y = 3/2x

y = 30x

y = 30x + 300

y = 3/2x + 300

Tags

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Based on the trend line, about how many guests should be expected if the temperature is around 80 degrees?

8,300

7,300

8

9,300

Tags

CCSS.8.F.B.4

CCSS.8.SP.A.1

CCSS.8.SP.A.2

CCSS.8.SP.A.3

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