Quiz 3: Creative Component

Stepwise Regression helps......

• Determine the important IV's

• Give you the same results every time

• Always give non-biased estimates

• With lower sample sizes

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.IC.B.5

Is this an interaction model?

• Yes

• No

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.C.6

CCSS.HSA.REI.D.10

CCSS.HSA.REI.D.11

(Fill in the blank)

We should NOT try to predict outside of the range of our Data. In Multiple Regression, we must consider the ______ region.

• Rejection

• Acceptance

• Experimental

• Causal

(True or False)

Lower-order models are nested within higher-order models

• True

• False

Multicollinearity is when.....

• Independent Variables have no correlation

• Independent Variables are strongly related

• Independent Variables are weak in correlation

• heteroscedasticity is created in the data

Tags

CCSS.HSS.ID.B.6

(True or False)

Moderation is an Interaction

• True

• False

What is a Spurious Correlation?

• Three or more variables are not affected by the same alternate IV

• A variable does not impact one directly, but indirectly through another IV

• Two or more variables are both only negatively impacted by the same alternate IV

• Two variables are correlated solely because they are both affected by the same alternate IV

Tags

CCSS.HSS.CP.A.3

CCSS.HSS.ID.C.9

(True or False)

Is the Variance Inflation Factor (VIF) primarily associated with multicollinearity?

• Yes

• No