I think that what I am about to ask is technically one question, so here we go: My professor does not let you know what you get wrong, and he does not provide solutions/explanations to his questions/problems. I missed 1 of the following 5 questions in the images below. My answers are also apparent.

The question: Which one of these questions did I get wrong? Please give me a thorough explanation of why it should have been a different answer.

If anyone could please let me know which one I got wrong, it would be greatly appreciated. I want to actually learn and know what I need to focus on in order to improve myself.

Which of the following statements is correct Mean reversion refers to the fact that, unlike stock, interest rates tend to have a decreasing trend. Mean reversion refers to the fact that interest rates tend to decrease when the rate is high and to increase when it is low. Mean reversion refers to the fact that interest rates tend to converge to an increasing long term mean Mean reversion refers to the fact that interest rates tend to increase when they are high and to decrease when they are lovw