Author Question: Which of the following statements is correct? a.The population mean is a point estimate for the ... (Read 65 times)

tichca

  • Hero Member
  • *****
  • Posts: 554

  Which of the following statements is correct?
 

  a.The population mean is a point estimate for the sample mean.
  b.The sample mean is a point estimate for the population standard deviation.
  c.The sample mean is a point estimate for the population mean.
 

d.The sample variance is a parameter.
 
 



Question 2


  Suppose a manufacturer produces computers in batches of 100. A researcher is interested in the proportion of all computers produced that are faulty so he randomly samples one batch and finds 9 faulty cameras. Which of the following would be a reasonable estimate of the population proportion of cameras that are not faulty?
 

  a.9
  b.0.91
  c.0.09
 

d.91
 
 




durant1234

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

correct: c

Answer to Question 2

correct: b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

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.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

In Eastern Europe and Russia, interferon is administered intranasally in varied doses for the common cold and influenza. It is claimed that this treatment can lower the risk of infection by as much as 60–70%.

For a complete list of videos, visit our video library