What question would NOT be appropriate for further quantitative study of the topic of on-line versus traditional courses?

What are the strengths and weaknesses of on-line courses?

Which courses do more students utilize, on-line or traditional?

Which type of course is completed in the shortest amount of time?

Which courses have the higher enrollment numbers, on-line or traditional?

Which of the following best describes the expensive tissue hypothesis? brains require more energy, so the gut had to be reduced, and larger brains and tool use led to higher quality diets. increasing body size means that homo neanderthalensis had to include more fat in its diet. brains require more energy, so the gut had to be reduced as brains got bigger. brains require more fat, so the gastrointestinal viscera (gut) had to expand, and hands were needed to acquire more food.