If two sets of data have a correlation coefficient of 1.0, they possess:

If two sets of data have a correlation coefficient of 1.0, they possess:
A . No correlation
B . Weak correlation
C . Perfect negative correlation
D . Perfect positive correlation

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Answer: D

Explanation:

Correlation Coefficient of 1.0:

A correlation coefficient measures the strength and direction of the relationship between two datasets.

A value of1.0indicates a perfect positive correlation, meaning the two sets of data move in the same direction proportionally.

Elimination of Other Options:

A: A value of 0 indicates no correlation.

B: Weak correlation would be closer to 0.

C: Perfect negative correlation has a value of -1.

Reference: ICWIM Module 3: Concepts of statistical measures, including correlation.