Answer:
the population of interest to the researcher is all the first year Drummand university students
Step-by-step explanation:
It is said in the question, the research take interest in finding textboook cost for various semester. for doing so she noticed average textbook cost is $600 per semester. she monitored total student of 250 first year student.
Therefore, total number of student in which research took interest is all the first year Drummand university students because he analyse only 250 students of the first year