Final answer:
The study by the dealership centers on evaluating the proportion of cars returned due to malfunctions, the timeframe of data collection, the types of malfunctions, and the aim of the research, which is likely to improve car quality.
Step-by-step explanation:
Understanding Key Terms in a Statistical Study
The dealership's study involves several key components:
- Proportion of returned cars (A) - This refers to the ratio or percentage of cars that were returned due to malfunctions out of all cars sold.
- Timeframe of the study (B) - This is the period over which the data was collected, which in this case is the last two years.
- Nature of car malfunctions (C) - This term describes the types and severity of the defects that led to cars being returned.
- Overall purpose of the study (D) - The main goal of the research which is to assess the rate at which sold cars are being returned due to defects and possibly improve quality control processes.
The relevance of each term to the study helps in understanding the scope, aim, and definition of the target metrics of the dealership's research.