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

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Definitions:

Microsporocyte

Cell within a microsporangium that undergoes meiosis to produce four n microspores; also called microspore mother cell. Compare with megasporocyte.

Diploid

An organism or cell containing two complete sets of chromosomes, one from each parent.

Apomixis

A form of asexual reproduction in plants, where seeds are produced without fertilization, leading to offspring that are genetically identical to the parent plant.

Hypocotyl

The part of the axis of a plant embryo or seedling below the point of attachment of the cotyledons.