Given the Three Statements Below, Pick the Correct Answer

question 39

Multiple Choice

Given the three statements below, pick the correct answer.
I. CH₄ is an important industrial source of H₂.
II. The reaction of coke (C) and H₂O is an important industrial source of H₂.
III. The reaction of sodium and H₂O is an important industrial source of H₂.

• A) I and II are true, III is false
• B) I and III are true, II is false
• C) II and III are true, I is false
• D) all are true
• E) only I is true

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Definitions:

Coefficient Of Correlation

A statistical measure that calculates the strength of the relationship between the relative movements of two variables.

R-Square

A statistical measure that represents the proportion of the variance for a dependent variable that's explained by an independent variable or variables in a regression model.

Prediction Interval Estimate

A prediction interval estimate is a range of values that is likely to include the value of a single new observation predicated on the existing data set.

Confidence Interval Estimate

A range of values, derived from sample statistics, that is likely to contain the value of an unknown population parameter at a specified confidence level.