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

Author Question: A sample of 225 elements from a population with a standard deviation of 75 is selected. The sample ... (Read 113 times)

DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
on: Jun 24, 2018
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  is
 a. 105 to 225.
   b. 175 to 185.
   c. 171.78 to 188.22.
   d. 170.2 to 189.8.

Question 2

Which of the following tests would not be an example of a nonparametric method?
 a. Mann-Whitney-Wilcoxon test
  b. Wilcoxon signed-rank test
  c. sign test
  d. t test


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

d


DyllonKazuo

  • Hero Member
  • *****
  • Posts: 565
Reply #2 on: Jun 24, 2018
Thank you :)


Galvarado142

  • Sr. Member
  • ****
  • Posts: 348
Reply #3 on: Jun 24, 2018
Happy to help you


« previous next »
 

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

A cataract is a clouding of the eyes' natural lens. As we age, some clouding of the lens may occur. The first sign of a cataract is usually blurry vision. Although glasses and other visual aids may at first help a person with cataracts, surgery may become inevitable. Cataract surgery is very successful in restoring vision, and it is the most frequently performed surgery in the United States.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus Examining the survivorship curve of a Dall mountain sheep population reveals information on the caus
The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population The Inverted Income Pyramid: The Proportion of Income Received by Each Fifth of the U.S. Population
Sample prescriptions of drugs for oral fungal infections. Sample prescriptions of drugs for oral fungal infections.
How to quickly find the vertex of a quadratic equation that is in standard form How to quickly find the vertex of a quadratic equation that is in standard form
The Elements of Cognition The Elements of Cognition
A hypothesis test is performed to test the claim that a population proportion is greater than ... A hypothesis test is performed to test the claim that a population proportion is greater than ...
Video: Deafness Culture

For a complete list of videos, visit our video library