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

Author Question: Name one possible problem that could occur in a survey to make what is reported to be a narrow 95 ... (Read 32 times)

bclement10

  • Hero Member
  • *****
  • Posts: 560
on: Jul 24, 2018
Name one possible problem that could occur in a survey to make what is reported to be a narrow 95 confidence interval a meaningless result.

Question 2

Which would be wider, a 90 confidence interval or a 95 confidence interval? (Assume both of them were calculated using the same sample data.) Explain your answer.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jul 24, 2018
Answer to Question 1

ANY REASONABLE ANSWER OK. EXAMPLES: BIAS OF ANY KIND; A NON-RANDOM SAMPLE; MISLEADING WORDING OF QUESTIONS; ETC.

Answer to Question 2

THE 95 CONFIDENCE INTERVAL IS WIDER. SINCE THE DATA SAMPLE SIZE IS THE SAME AND YOU WANT MORE CONFIDENCE OF COVERING THE TRUE POPULATION VALUE, YOU NEED A LARGER MARGIN OF ERROR, WHICH RESULTS IN A WIDER CONFIDENCE INTERVAL.


bclement10

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Jul 24, 2018
TY


pallen55

  • Sr. Member
  • ****
  • Posts: 331
Reply #3 on: Jul 24, 2018
You're welcome


« previous next »
 

Did you know?

Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked A sod house in North Dakota, 1896. Individual “bricks” of sod were hewn from the ground and stacked
A medical assistant should present a neat appearance and make it a habit to wear a smile. A medical assistant should present a neat appearance and make it a habit to wear a smile.
Each year, the leaders of the world’s eight most powerful nations meet in a secluded place to make ... Each year, the leaders of the world’s eight most powerful nations meet in a secluded place to make ...
Maze-dull rats did not make significantly more errors than maze-bright rats when both groups were ... Maze-dull rats did not make significantly more errors than maze-bright rats when both groups were ...
Survey and posture of client: Lateral view Survey and posture of client: Lateral view
The problem of repetitive DNA The problem of repetitive DNA
Video: Chromosome structural organization/ Mechanisms for chromosome movement Animation

For a complete list of videos, visit our video library