The admissions office wants to estimate the cost of textbooks for students at our college. Let the variable be the total cost of all textbooks purchased by a student this semester. The plan is to randomly identify 100 students and obtain their total textbook costs.
The average cost for the 100 students will e used to estimate the average cost. A. Describe the parameter the admissions offices wishes to estimate.
a. Describe the population
b. Describe the variable involved
c. Describe the sample