Question:
10 An economist collects income data by selecting and
Last updated: 6/3/2023
![10 An economist collects income data by selecting and](https://media.kunduz.com/media/sug-question-candidate/20230602235547909421-3417159.jpg?h=512)
10 An economist collects income data by selecting and interviewing subjects now then going back in time education records to see if they had the wisdom to take a statistics course between the years 1980 and 2005 What type of study is this please circle your answer EXPERIMENTAL OBSERVATIONAL