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Author Question: Briefly describe the difference between a population and a sample and give an example of ... (Read 146 times)

Lisaclaire

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on: Jun 24, 2018
Briefly describe the difference between a population and a sample and give an example of each.

Question 2

A variable that takes on the values of 0 or 1 and is used to incorporate the effect of qualitative variables in a regression model is called a(n) _____.
 a. interaction
  b. constant variable
  c. dummy variable
  d. None of the answers is correct.


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connor417

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Reply #1 on: Jun 24, 2018
Answer to Question 1

A population is the group of all items of interest to a statistics practitioner, while a sample is a set of data drawn from the studied population.

Examples: All students at the West Virginia University is a population, while 150 students randomly selected from West Virginia University is a sample.

Answer to Question 2

c


Lisaclaire

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Reply 2 on: Jun 24, 2018
Gracias!

bulacsom

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Reply 3 on: Yesterday
Wow, this really help

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