A relationship between two or more variables that is shown in an observational study is a:
A. correlation.
B. causal relationship.
C. social norm.
D. coupling.

What is the main goal of the world trade organization a. to fight enforce tariffs b. to fight against terrorism c. to encourage trade d. to regulate international investments

When another customer complains about the hair salon where georgeanna is a loyal customer, she defends it because she feels responsible for the continued success of the hair salon. this behavior suggests she has reached the rung of the loyalty ladder.

Calculate the iq of a 20 year old who has the mental age of 25