10-25-19_Scatter Plots, Literal Equations, Parallel and Perpendicular Lines

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?

• 85

• 92

• 70

• 76

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

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 19 chapters.

• 150 pages

• 170 pages

• 190 pages

• 210 pages

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

CCSS.HSF.IF.B.4

The age of a kitten and its weight.

• positive association
• negative association
• no association

Tags

CCSS.HSF-LE.A.1B

The height of students and their scores on a test.

• positive correlation
• negative correlation
• no correlation

Tags

CCSS.HSF-LE.A.1B

The number of notebooks bought and the total cost.

• positive association
• negative association
• no association

Tags

CCSS.HSF-LE.A.1B

Find the equation of the line of best fit for the given data

• y=163.41x + 4.19
• y=-163.41x + 4.19
• y=-4.19x + 163.41
• y= 4.19x - 163.41
  

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSA.CED.A.2

As x increases, y increases

• correlation coefficient
• causation
• positive correlation
• negative correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

A restaurant sells pizza for the prices in the data table.  Calculate the linear regression equation of the data.

• y = 1.5x + 12
• y = 12x + 1.5
• y = 0.67x - 8
• y = -8x + 0.67

Tags

CCSS.8.EE.C.8C

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

What is the line of best fit?

• f(x)= 5x+1.82
• cannot be determined
• f(x)= 1.82x + 5.02
• f(x)= 1.1x + 4.2

Tags

CCSS.8.EE.B.5