Which of the following is a description of the data with a correlation coefficient of 1? a. no correlation b. perfect positive correlation c. high positive correlation d. perfect negative correlation

A correlation coefficient of 1 or +1 means we have perfect positive correlation. Every point on the scatter plot falls on the same straight line. This straight line has some positive slope. By "positive slope", I mean the line moves upward as you read from left to right. The correlation coefficient r is between -1 and 1 (inclusive). If r = -1, then we have perfect negative correlation. If r is closer to 0, then we have little to no linear correlation at all, which would mean the points are randomly scattered about or they might fall closer to a parabola or some other curve.

Choice B) Perfect postive correlation

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step-by-step explanation:

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