Question

define no correlation. choose the correct answer below.
a. no correlation means that two variables tend to change in opposite directions, with one increasing while the other decreases.
b. no correlation means that both variables tend to increase (or decrease) together.
c. no correlation means that there is no apparent relationship between the two variables.
d. no correlation means that the two variables are always zero.

Explanation:

Correlation measures the relationship between two variables. No - correlation implies lack of a linear or any other discernible relationship between them. Option A describes negative correlation, Option B describes positive correlation, and Option D is an incorrect and extreme statement.

Answer:

C. No correlation means that there is no apparent relationship between the two variables.