Greates Essay

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Homework # 1 1. Q.8 For the following questions would you collect information using a sample or a population? Why? a) Statistics 201 is a course taught at a university. Professor A. Verage has taught nearly 1,500 students in the course oven the past 5 years. You would like to know the average grade for the course. I would collect the information using a sample, because I would like to know the average grade for the course, that is a portion, or part of the population of interest To infer something about a population, we usually take a sample from the population. In this case the population may consist of individuals- such as all the students of the course Statistics 201 and e take a sample from this population such nearly 1,500 students in the course oven the past 5 years. b) As part of a research project, you need to report the average profitability of the number one corporation in the Fortune 500 for the past 10 years. I would collect the information using a sample, because I will report the average profitability about a population (corporation in the Fortune 500), based on a sample (for the pas 10 years). c) You are looking forward to graduation and your first job as a salesperson for one of five large pharmaceutical corporations. Planning for your interviews, you will need to know about each company’s mission, profitability, products, and markets. The five large pharmaceutical corporations are the entire set of individuals of interest or the measurements. We need to know about each company’s mission, profitability, products, and markets. For the reason, I would collect the information using a population. d) You are shopping for a new MP3 music player such as the Apple Ipod. The manufactures advertise the number of music tracks that can be stored in the memory. Usually, the advertisers assume relatively short, popular music to estimate

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