This topic contains a solution. Click here to go to the answer

Author Question: The proportion of the data from a standard normal distribution that falls within two standard ... (Read 168 times)

acc299

  • Hero Member
  • *****
  • Posts: 569
The proportion of the data from a standard normal distribution that falls within two standard deviations from the mean is:
 a. 0.3413.
  b. 0.4772.
  c. 0.6826.
  d. 0.9544

Question 2

The standard error is:
 a. the standard deviation of the sampling distribution.
  b. the squared value of the population variance.
  c. the same value as the population standard deviation.
  d. is the same for distributions of all sample sizes.
  e. is the mean of the sampling distribution



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

stanleka1

  • Sr. Member
  • ****
  • Posts: 325
Answer to Question 1

D

Answer to Question 2

A




stanleka1

  • Sr. Member
  • ****
  • Posts: 325

 

Did you know?

The human body produces and destroys 15 million blood cells every second.

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?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The toxic levels for lithium carbonate are close to the therapeutic levels. Signs of toxicity include fine hand tremor, polyuria, mild thirst, nausea, general discomfort, diarrhea, vomiting, drowsiness, muscular weakness, lack of coordination, ataxia, giddiness, tinnitus, and blurred vision.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

For a complete list of videos, visit our video library