Final answer:
A group in the sociological sense refers to any collection of at least two people who interact with some frequency and share a sense of identity. Both a high school chess club and a gathering at a crime scene can be considered groups.
Step-by-step explanation:
A group in the sociological sense refers to any collection of at least two people who interact with some frequency and share a sense of identity. From the given options, both option b. a high school chess club and option c. a gathering at a crime scene can be considered groups. In a high school chess club, members interact with each other frequently and share a common interest in playing chess. Similarly, a gathering at a crime scene involves individuals who interact with each other and are connected through the shared experience of witnessing or being part of a crime scene.