Author Question: Both a and b are correct.Which of the following is needed before a confidence interval can be ... (Read 82 times)

rayancarla1

  • Hero Member
  • *****
  • Posts: 571
Both a and b are correct.Which of the following is needed before a confidence interval can be established for a population mean?
 a. A confidence level
  b. A point estimate of the population mean
  c. An estimate of the sampling error associated with the sample mean
  d. All of these are correct.
  e. Both a and b are correct.

Question 2

Existing social networks are:
 a. exclusively for consumers.
  b. used by both consumers and business people.
  c. experiencing slowing growth.
  d. used mostly by nonmobile users.



mcabuhat

  • Sr. Member
  • ****
  • Posts: 344
Answer to Question 1

d

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question


 

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Blastomycosis is often misdiagnosed, resulting in tragic outcomes. It is caused by a fungus living in moist soil, in wooded areas of the United States and Canada. If inhaled, the fungus can cause mild breathing problems that may worsen and cause serious illness and even death.

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

For a complete list of videos, visit our video library