This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Briefly describe the difference between a population and a sample and give an example of ... (Read 81 times)

Lisaclaire

  • Hero Member
  • *****
  • Posts: 569
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.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

connor417

  • Sr. Member
  • ****
  • Posts: 329
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

  • Member
  • Posts: 569
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

Did you know?

A serious new warning has been established for pregnant women against taking ACE inhibitors during pregnancy. In the study, the risk of major birth defects in children whose mothers took ACE inhibitors during the first trimester was nearly three times higher than in children whose mothers didn't take ACE inhibitors. Physicians can prescribe alternative medications for pregnant women who have symptoms of high blood pressure.

The Dugong is an endangered species; the largest remaining population is found in Australian waters The Dugong is an endangered species; the largest remaining population is found in Australian waters
Cotton Production and Slave Population, 1800–1860 Cotton Production and Slave Population, 1800–1860
Self-Esteem in a Longitudinal Sample Self-Esteem in a Longitudinal Sample
Sample Student Externship Form Sample Student Externship Form
Population and Settlement Population and Settlement
Give the world a reason to remember your name Give the world a reason to remember your name
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library