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

Author Question: A librarian wants to gather data on the number of times books of fiction are checked out during the ... (Read 94 times)

strangeaffliction

  • Hero Member
  • *****
  • Posts: 660
on: Jul 24, 2018
A librarian wants to gather data on the number of times books of fiction are checked out during the year. The library has 2000 books of fiction, of which 500 are murder mysteries, 400 are science fiction, and the rest are other. She decides to sample 120 books. Suppose the librarian takes the next 120 fiction books that are turned in and calculates the average number of times these books were checked out in the last year. What sampling technique was used?
 a. Self-selected sample
  b. Volunteer sample
  c. Convenience sample
  d. Random sample

Question 2

For the Literary Digest poll of 1936 the magazine sent out questionnaires to 10 million people, of whom 2.3 million answered the questionnaire. What was the main problem with this poll?
 a. Wrong sampling frame
  b. Volunteer response
  c. Response bias
  d. Selection bias


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Amiracle

  • Sr. Member
  • ****
  • Posts: 334
Reply #1 on: Jul 24, 2018
Answer to Question 1

C

Answer to Question 2

B


strangeaffliction

  • Member
  • Posts: 660
Reply 2 on: Jul 24, 2018
:D TYSM

alvinum

  • Member
  • Posts: 317
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).

Did you know?

You should not take more than 1,000 mg of vitamin E per day. Doses above this amount increase the risk of bleeding problems that can lead to a stroke.

Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
The number of words correctly completed in the New York Times crossword puzzle increases with age ... The number of words correctly completed in the New York Times crossword puzzle increases with age ...
An orange has four times the fiber of six ounces of orange juice An orange has four times the fiber of six ounces of orange juice
physics question number 5 - moving conductors physics question number 5 - moving conductors
Number of Chromosomes in Selected Organisms Number of Chromosomes in Selected Organisms
What would your average (mean) number of cells per cluster be? What would your average (mean) number of cells per cluster be?
Video: Medullary osmotic gradient: countercurrent multiplier, urea recycling & vasa recta countercurrent exchange

For a complete list of videos, visit our video library