Which of the Following Is NOT Considered a Compound

question 67

Multiple Choice

Which of the following is NOT considered a compound?

• A) water (H₂0).
• B) sodium chloride (NaCl).
• C) hydrogen chloride (HCl)
• D) a hydrogen molecule (H₂)
• E) all of these are compounds.

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Definitions:

Slope

In statistics, it typically refers to the rate at which one variable changes in relation to another in a linear regression model.

Coefficient Of Determination

A statistical measure represented as a number between 0 and 1 that indicates the proportion of the variance in the dependent variable that is predictable from the independent variable(s).

SSR

The sum of squared residuals, a measure of the discrepancy between the data and an estimation model.

SSE

The sum of squared errors, which measures the total deviation of observed values from their mean in statistical models.