TWCP 3C: Trend Lines and Regression

What is the type of correlation for the following scatter plot?

• Negative 
• None
• Positive 

Tags

CCSS.HSF-LE.A.1B

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 pages would be in a book with 6 chapters. 

• ≅100 pages
• ≅170 pages
• ≅60 pages
• ≅20 pages

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Based on this scatter plot, a student with 6 absences should get approximately what score on the final exam? 

• ≅ 58
• ≅ 92
• ≅ 100
• ≅ 76

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

As the age of the car increases, its value decreases. Which scatter plot represents this relationship?

• A
• B
• C
• D

Tags

CCSS.HSF-LE.A.1B

Which of the following would be a reasonable approximation for the length of time it would take this person to run 6 miles?

• ≅ 50 min

• ≅ 80 min

• ≅ 45 min

• ≅ 60 min

Tags

CCSS.HSA.REI.D.10

CCSS.HSS.ID.A.1

CCSS.HSS.ID.C.7

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Which sentence describes the relationship shown on this scatter plot?

• As the temperature decreases, the visitors increase. 
• As the temperature increases, the number of visitors increases. 
• As the visitors increase, the temperature decreases. 
• No correlation

Tags

CCSS.HSS.ID.B.6

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

What type of correlation (association)?

The outside temperature and the amount of layers you wear.

• A) Positive correlation

• B) Negative correlation

• D) No correlation

Tags

CCSS.HSF-LE.A.1B