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 76 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?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Did you know?

More than 20 million Americans cite use of marijuana within the past 30 days, according to the National Survey on Drug Use and Health (NSDUH). More than 8 million admit to using it almost every day.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o Mutualisms, such as those that occur among plants and pollinators, generally involve large numbers o
How to solve a half life problem involving exponential models (Question 2) How to solve a half life problem involving exponential models (Question 2)
Answer to physics problem Answer to physics problem
Genetics problem solved Genetics problem solved
Regulation can occur at any stage in the expression of genetic material in eukaryotes Regulation can occur at any stage in the expression of genetic material in eukaryotes
The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified The purpose of mitosis is to take diploid cells and make two identical clones. A shows a simplified
Video: Heart sounds

For a complete list of videos, visit our video library