Linear Regression

What kind of trend is shown from this scatterplot?

• positive correlation
• negative correlation
• none
• cannot be determind

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

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

What is the type of correlation?

• Negative 
• no correlation
• positive 

What type of association does this graph have?

• positive 
• negative
• none
• all of the above

Use the trend in the data to determine the correlation coefficient. 

• r = 0.93
• r = -0.93
• r = 0.57
• r = -0.57

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

About how many male math teachers were there in 2006?

• 15
• 30
• 35
• 45

Tags

CCSS.HSF.IF.B.4

Which scatter plot shows a linear relationship between x and y?

• Graph A
• Graph B
• Graph C
• Graph D

Tags

CCSS.8.F.A.3

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

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

Tags

CCSS.HSS.ID.C.9

Which of the following could be a possible line of best fit for the data?

• y = -5/2x + 20
• y = -x + 19
• y = x + 20
• y = 2/3x + 15 

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7