alexanderzeitlin alexanderzeitlin

06-11-2020
Mathematics

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A student says that a correlation coefficient of −0.93 indicates that the two quantities of a data set have a weak correlation. Explain the error the student made.

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altavistard altavistard

06-11-2020

Answer:

Step-by-step explanation:

Recall that correlation coefficients range from -1 to +1. So, -0.93 is a strong negative relationship. Two interpretations: 1) the correlation is actually very strong, and 2) the correlation is negative. When the correlation is negative, the dependent variable DECREASES when the independent variable INCREASES.

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