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

Author Question: After computing a confidence interval, the user believes the results are meaningless because the ... (Read 74 times)

elarge

  • Full Member
  • ***
  • Posts: 130
on: Mar 25, 2023

Question 1

A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample mean is 180. The 95% confidence interval for μ is


◦

105.0 to 225.0


◦

175.0 to 185.0


◦

100.0 to 200.0


◦

170.2 to 189.8



Question 2

After computing a confidence interval, the user believes the results are meaningless because the width of the interval is too large. Which one of the following is the best recommendation?


◦

Increase the level of confidence for the interval.


◦

Decrease the sample size.


◦

Increase the sample size.


◦

Reduce the population variance.

Essentials of Statistics for Business and Economics ¦ Anderson, Sweeney, Williams, Camm, Cochran ¦ 7th Edition
Buy Test-Bank


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by elarge on Mar 25, 2023

delmiss

  • Full Member
  • ***
  • Posts: 152
Reply #1 on: Mar 25, 2023
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
Answer Preview
Only 25% of students answer this correctly


elarge

  • Member
  • Posts: 130
Reply 2 on: Mar 25, 2023
Gracias!

amandanbreshears

  • Member
  • Posts: 320
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

Did you know?

In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

Did you know?

The senior population grows every year. Seniors older than 65 years of age now comprise more than 13% of the total population. However, women outlive men. In the 85-and-over age group, there are only 45 men to every 100 women.

Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery Allen Test: An occluded ulnar artery results in continued pallor of the hand while the radial artery
Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha Multiple sclerosis (MS). (a) A disease characterized by the gradual development of small areas of ha
Volvulus. A volvulus results when the small intestine twists, causing an obstruction that can lead t Volvulus. A volvulus results when the small intestine twists, causing an obstruction that can lead t
National Results of the Scholastic Assessment Test (SAT) National Results of the Scholastic Assessment Test (SAT)
The results from West and Crook's study of memory for telephone numbers The results from West and Crook's study of memory for telephone numbers
Test-Cross Results from Mendel’s Experiments Test-Cross Results from Mendel’s Experiments
Video: Ear Animation

For a complete list of videos, visit our video library