Bob Thinks There Is Something Wrong with Excel's Fitted Regression

question 65

Multiple Choice

Bob thinks there is something wrong with Excel's fitted regression.What do you say?

• A)The estimated equation is obviously incorrect.
• B)The R2 looks a little high but otherwise it looks OK.
• C)Bob needs to increase his sample size to decide.
• D)The relationship is linear,so the equation is credible.

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Definitions:

Sp Hybridized

Describes molecules where carbon atoms are bonded through a linear combination of one s-orbital and one p-orbital, leading to a bond angle of approximately 180 degrees.

Hybrid Atomic Orbitals

Orbitals formed by the mixing of atomic orbitals in an atom, leading to equivalent orbital shapes suited for bonding.

C-C σ Bond

A single bond formed between two carbon atoms due to the overlap of sp3 hybrid orbitals.

Acetaldehyde

An organic chemical compound with the formula CH3CHO, known as the simplest aldehyde after formaldehyde, used in various industrial processes.