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For the following questions, would you collect information
Chapter 1, Problem 8E(choose chapter or problem)
Problem 8E
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 over the past 5 years. You would like to know the average grade for the course.
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.
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.
d. You are shopping for a new MP3 music player such as the Apple iPod. The manufacturers advertise the number of music tracks that can be stored in the memory. Usually, the advertisers assume relatively short, popular music to estimate the number of tracks that can be stored. You, however, like Broadway musical tunes and they are much longer. You would like to estimate how many Broadway tunes will fit on your MP3 player.
Questions & Answers
QUESTION:
Problem 8E
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 over the past 5 years. You would like to know the average grade for the course.
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.
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.
d. You are shopping for a new MP3 music player such as the Apple iPod. The manufacturers advertise the number of music tracks that can be stored in the memory. Usually, the advertisers assume relatively short, popular music to estimate the number of tracks that can be stored. You, however, like Broadway musical tunes and they are much longer. You would like to estimate how many Broadway tunes will fit on your MP3 player.
ANSWER:
Solution 8E
Step1 of 5:
From the given information we need to check whether the given information is a sample or a population:
a). Course name = Statistics 201,
Total number of students in statistics 201 courses over the past 5 years = 1500.
b). The number one corporation in the Fortune has been 500 for the past 10 years.
c). The first job as a salesperson for one of five large pharmaceutical corporations. And Planning for interviews, we will need to know about each company’s mission, profitability, products, and markets.
d). We are going to shop a new MP3 player (Apple iPod). The manufacturers advertise the number of music tracks that can be stored in the memory. Here the advertisers assume relatively short, popular music to estimate the number of tracks that can be stored. We have to estimate how many Broadway tunes will fit on your MP3 player.
Step2 of 5: