Which of the Following Statements About the Correlation Coefficient Is

question 18

Multiple Choice

Which of the following statements about the correlation coefficient is true?

• A)One should not accept that a correlation coefficient represents a relationship unless it is significant.
• B)Unless a correlation coefficient is zero,it represents a relationship.
• C)Positive correlation coefficients tend to be significant more often than negative ones.
• D)Sampling error does not apply to the correlation coefficient.

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Definitions:

Down Syndrome

A genetic disorder caused by the presence of an extra 21st chromosome, leading to developmental and physical characteristic differences.

Mental Retardation

An outdated and now considered offensive term for intellectual disability, which is characterized by limitations in intellectual functioning and adaptive behavior.

Mutations

Permanent alterations in genes or chromosomes that may produce harmful characteristics.

Heritability

The proportion of variation in a trait among individuals that can be attributed to genetic variations.