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

Question

nasty-shy [4]

3 years ago

10

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.

Mathematics

1 answer:

zloy xaker [14] · Answer 1 · 2022-08-12T15:13:02+03:00

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.