The chair of the psychology department wants to determine the average gpa of all the psychology majors in the united states. she randomly selects 50 colleges and universities and compiles a list of the gpas of all the psychology majors at those institutions. this list represents a(n):

b. a retired couple on a fixed income

Explanation:

The main reason that they have to be worried about a high inflation is because they have a fixed income, where they will receive for example, $200 usds a month for the rest of their lifes, if inflation goes up, the cost of living will rise and they won´t be ablu to afford as much as they used to afford, their lide style will have to change and could even fall in the social economic scale.