This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Which of the following statements are true regarding the normal distribution curve? a. It is ... (Read 105 times)

panfilo

  • Hero Member
  • *****
  • Posts: 572
on: Jun 24, 2018
Which of the following statements are true regarding the normal distribution curve?
 a. It is symmetrical.
  b. It is bell-shaped.
  c. It is asymptotic in that each end approaches the horizontal axis, but never reaches it.
  d. Its mean, median, and mode are located at the same position.
  e. All of these statements are true.

Question 2

A population that consists of 500 observations has a mean of 40 and a standard deviation of 15 . A sample of size 100 is taken at random from this population. The standard error of the sample mean equals:
 a. 2.50.
  b. 12.50.
  c. 1.343.
  d. 1.50.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

missalyssa26

  • Sr. Member
  • ****
  • Posts: 327
Reply #1 on: Jun 24, 2018
Answer to Question 1

E

Answer to Question 2

C


panfilo

  • Member
  • Posts: 572
Reply 2 on: Jun 24, 2018
YES! Correct, THANKS for helping me on my review

mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

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.

Did you know?

Less than one of every three adults with high LDL cholesterol has the condition under control. Only 48.1% with the condition are being treated for it.

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?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Normal mammogram. Normal mammogram.
Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ... Generalized scheme showing the contribution of absorption, distribution, metabolism, elimination, ...
Diagram of the heart showing normal conduction pathway. Diagram of the heart showing normal conduction pathway.
Distribution of glucose-6-phosphate dehydrogenase (G6PD) deficiency in various Jewish populations. B Distribution of glucose-6-phosphate dehydrogenase (G6PD) deficiency in various Jewish populations. B
The circadian rhythm is a wave-like curve The circadian rhythm is a wave-like curve
Video: Epidural Hematoma

For a complete list of videos, visit our video library