Describe the population

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Question: Describe whether the following study would most likely be "observational" or "experimental", and why it would be so.

- A survey examines the preferences for laundry detergent.

- 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

Reference no: EM131545488

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