Answer: Please refer to Explanation
Step-by-step explanation:
I think it best to first describe the terms before we categorize them.
Positive Connotation - A word that is considered positive is one that has good and position emotions and thoughts attached to it. When you think of such words you attached a degree of good feelings to it. For example, cheerful, strong, generous etc.
Negative Connotations - This as the name implies is the opposite of Postive. Words grouped Negatively are not viewed in a good light. They are usually used to describe negative characters and usually have bad feelings attached to them. Words such as intruder, sad, stingy etc.
Neutral - Words that are neutral are considered to have neither Positive nor negative Connotations.
Classifying them therefore we have,
Intelligent - This is Positive as it is associsted with good feelings.
Stingy - is of Negative Connotation as stinginess is not considered a good thing.
Energetic - considered Positive as opposed to weak.
Economical - Considered positive as it refers to the quality of spending money wisely.
Hectic - considered Negative because things classified as hectic do not evoke good feelings.
Lively - considered Positive as opposed to boring.
Clever - like intelligent, is considered Positive as it is a praiseworthy character.
Cunning - considered Negative as it is looked down upon as a negative character to have.
Frugal - similar to Economical is Positive in connotation as it is usually used in praiseworthy terms for a person content with living the simple life.