IASSC Exam ICGB Topic 6 Question 40 Discussion

Actual exam question for IASSC's ICGB exam

Question #: 40
Topic #: 6

[All ICGB Questions]

Multiple Linear Regressions (MLR) is best used when which of these are applicable? (Note: There are 3 correct answers).

ANon-linear relationships between the inputs X's and output Y

BUncertainty in the slope of the linear relationship between an X and a Y

CRelationships between Y (output) and more than one X (Input)

DPreventing the use of a Designed Experiment if unnecessary

EWe assume that the X's are independent of each other

Show Suggested Answer

Suggested Answer: B

by Gary at Feb 24, 2023, 12:57 AM

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3 days ago

This is an easy one. C and E are clearly the right answers. Although, option D is just silly - who would want to prevent a designed experiment?

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4 days ago

I'm not sure about option A. Isn't MLR supposed to be for linear relationships? Either way, C and E are definitely correct.

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8 days ago

Multiple linear regression is definitely the way to go when you have more than one input variable. Options C and E seem spot on to me.

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10 days ago

I also think MLR is useful when there is uncertainty in the slope of the linear relationship between X and Y.

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16 days ago

I agree with Kristel. It helps capture the combined effect of multiple variables on the output.

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17 days ago

I think MLR is best used when there are relationships between Y and more than one X.

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