« previous next »

Author Question: A simple random sample of 144 observations was taken from a large population. The sample mean and ... (Read 192 times)

bucstennis@aim.com

  • Hero Member
  • *****
  • Posts: 532
on: Jun 24, 2018
A simple random sample of 144 observations was taken from a large population. The sample mean and the standard deviation were determined to be 1234 and 120 respectively. The standard error of the mean is
 a. 1234120.
   b. 120.
   c. 1440.
   d. 10.

Question 2

In a multiple regression model, the error term  is assumed to be a random variable with a mean of
 a. zero.
  b. -1.
  c. 1.
  d. any value.


zogaridan

  • Sr. Member
  • ****
  • Posts: 328
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

The first monoclonal antibodies were made exclusively from mouse cells. Some are now fully human, which means they are likely to be safer and may be more effective than older monoclonal antibodies.

Did you know?

In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Simple transposable elements and their mechanism of transposition Simple transposable elements and their mechanism of transposition
The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo The skulls of living haplorhines differ from those of strepsirhines by having large brains, an enclo
Sample Exercise Program for Healthy Older Adults Sample Exercise Program for Healthy Older Adults
A sample flow sheet. A sample flow sheet.
Performance of a delayed nonmatching-to-sample trial. Performance of a delayed nonmatching-to-sample trial.
Video: Types of Transport - Uniport, Antiport and Symport (Glucose and Na+K+ Transporters)

For a complete list of videos, visit our video library