You notice that over the past month, many students on campus have started wearing a new style of school sweatshirt. you think to yourself that perhaps the bookstore has recently started selling this new sweatshirt style. this is an example of a(n)

This is an example of "a hypothesis".

The hypothesis refers to a particular articulation of prediction. It depicts in concrete (as opposed to hypothetical) terms what you expect will occur in your examination.

The hypothesis is the key instrument in directing examination. It proposes new investigations and perceptions and in fact the majority of the examinations are attempted, with the sole point of testing the speculation. It is a propounded clarification for the incident of a specific marvel, whose improvement depends on particular proof.

answer; /// i do believe that the correct answer is (d) majority vote as an approval requirement;