Author Question: Both a and b are correct.Which of the following is needed before a confidence interval can be ... (Read 77 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?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

For a complete list of videos, visit our video library