Author Question: Which of the following statements is correct? a.The population mean is a point estimate for the ... (Read 52 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 tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

Did you know?

People often find it difficult to accept the idea that bacteria can be beneficial and improve health. Lactic acid bacteria are good, and when eaten, these bacteria improve health and increase longevity. These bacteria included in foods such as yogurt.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

For a complete list of videos, visit our video library