Which of the Following Equations Is INCORRECT

question 65

Multiple Choice

Which of the following equations is INCORRECT?

• A) Cov(R_i,R_j) = Σ(R_i - R_i)(R_j - R_j)
• B) Var(R_p) = w₁^2SD(R₁) + w₂^2SD(R₂) + 2w₁w₂Corr(R₁,R₂)SD(R₁)SD(R₂)
• C) Corr(R_i,R_j) =
• D) Cov(R_i,R_j) = E[(R_i - E[R_i])(R_j - E[R_j])]

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Definitions:

Ethyl Acetate

A volatile, colorless liquid used as a solvent and in the manufacture of products such as paints, coatings, and adhesives.

N-Propanol

Also known as 1-propanol, a primary alcohol with the formula CH3CH2CH2OH, utilized as a solvent and in the synthesis of other chemicals.

Nucleophilic Acyl Substitution

A chemical reaction in which an acyl group on a molecule is replaced by a nucleophile, a process common in organic synthesis.

Carboxylic Acid

Organic compounds characterized by the presence of a carboxyl group (-COOH), with acidic properties, making them able to donate a hydrogen ion to solutions.