Algebra Scatterplots Grade #3

What is the equation of the line of best fit?

• y = 5/3x + 375

• y = 1/3x + 475

• y = 5/3x + 3

• y = 1/3x + 375

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

CCSS.HSS.ID.C.8

What is the equation of the line of best fit?

• y = 1/2x + 3

• y = 1/40x

• y = 1/2x + 15

• y = 1/40x + 15

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

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

A trend line that shows the most accurate relationship between x and y describes...

• slope
• no correlation
• y-intercept
• line of best fit

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

What is the correlation?

• Non-Linear Correlation
• Postive, Linear Correlation
• Negative, Linear Correlation
• No Correlation

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What is the equation of the line of best fit?

• y = -25x + 170
• y = -5/8x + 170
• y = 25x + 170
• y = 5/8x + 170

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.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Use the line of best fit to approximate rate of change relative to the scatter plot above.

• 7/5
• 5/7
• -7/5
• -5/7

Tags

CCSS.HSS.ID.C.7

What is the equation of the line of best fit?

• y = 3/2x
• y = 30x
• y = 30x + 300
• y = 3/2x + 300

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7