Which best describes the strength of a model with an r-value of 0.29?

a weak positive correlation
a strong positive correlation
a weak negative correlation
a strong negative correlation

An r-value of 0.29 describes a weak positive correlation. A correlation tells if there is an association between two data, x and y. Positive correlation happens when there is an increase in one variable there is a corresponding increase to the other variable. A weak correlation indicates the data points of this graph are from the line.

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