Oct.20days.Dr.Vijay.CRM.12

What type of association does this graph show?

• Positive
• negative
• none
• all of the above

Tags

CCSS.HSF-LE.A.1B

What is the equation of the line of best fit?

• y= 6x + 2

• y = -2x +6

Tags

CCSS.8.EE.B.5

Which line is the best line of best fit?

• a

• b

• c

• i don't see any lines

Tags

CCSS.8.EE.B.5

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 scatter plot show a positive relationship?

• Graph A

• Graph B

• Graph C

• Graph D

Tags

CCSS.8.EE.B.5

Name the type of association.

• no association

• nonlinear association

• positive associtation

• negative association

• scatter association

Tags

CCSS.HSS.ID.B.6

Estimate the correlation coefficient for this scatterplot.

• r = 1.2
• r = 0.89
• r = 0
• r = -0.89

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

Part A: Using the model y = Ax + B, compute the regression equation for the data in the table.

Round to the nearest hundredth (2 decimal places). Do not put spaces when typing in your answer.

(a)  

Tags

CCSS.8.EE.C.8C

Part B: Compute the correlation coefficient.

Round to the nearest hundredth (2 decimal places). Do not put spaces when typing in your answer.

(a)  

Tags

CCSS.HSS.ID.C.8

Part C: Complete the statement about the correlation coefficient using the words "weak, moderate, or strong" and "positive or negative".

There is a _____________ __________ linear association.

• weak

• moderate

• strong

• positive

• negative

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9