To answer this question, we need to understand the purpose of scenario groups and the file types associated with them.
Scenario groups are used to organize and manage different scenarios or sets of related scenarios in a computer program or software application. These scenarios can be used for testing, analysis, or simulation purposes.
The file type typically used for scenario groups is the .usr file. This file format is specifically designed for storing user-defined scenarios and their associated data. It allows users to define and save multiple scenarios within a single file, making it convenient for organizing and managing different sets of scenarios.
Let's go through each option to understand why it is correct or incorrect:
Option A) .lrr file - This option is incorrect because the .lrr file format is not typically used for scenario groups. It may be a specific file format used by a particular software or application, but it is not commonly associated with scenario groups.
Option B) .lra file - This option is incorrect because the .lra file format is not typically used for scenario groups. Similar to the previous option, it may be a specific file format used by a certain software or application, but it is not commonly associated with scenario groups.
Option C) .usr file - This option is correct because the .usr file format is commonly used for scenario groups. It is specifically designed for storing user-defined scenarios and their associated data, making it suitable for organizing and managing different sets of scenarios.
Option D) .lrs file - This option is incorrect because the .lrs file format is not typically used for scenario groups. It may be a specific file format used by a particular software or application, but it is not commonly associated with scenario groups.
The correct answer is Option C. This option is correct because the .usr file format is commonly used for scenario groups, allowing users to define and save multiple scenarios within a single file.