Which of the Following Statements Concerning the Linear Correlation Coefficient

question 48

Multiple Choice

Which of the following statements concerning the linear correlation coefficient are true?_ I: If the linear correlation coefficient for two variables is zero, then there is no relationship
Between the variables.
II: If the slope of the regression line is negative, then the linear correlation coefficient is
Negative.
III: The value of the linear correlation coefficient always lies between −1 and 1.
IV: A linear correlation coefficient of 0.62 suggests a stronger linear relationship than a linear
Correlation coefficient of -0.82.

• A)I and IV
• B)III and IV
• C)II and III
• D)I and II

Understand the nature of ionic bonds and their formation between atoms.

Differentiate between electrically neutral atoms and ions.

Identify acids, bases, and their roles in chemical reactions.

Explain the formation and importance of covalent bonds.

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