« previous next »

Author Question: Whenever the mean of the distribution of differences equals zero, then one can be fairly safe in ... (Read 35 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
on: Jun 20, 2018
Whenever the mean of the distribution of differences equals zero, then one
   can be fairly safe in concluding that
 
  a. the samples probably represent a single population
  b. the samples probably represent different populations
  c. there was absolutely no sampling error
  d. none of these, since the mean can never equal zero

Question 2

If the mean of the distribution of differences were to equal -6.00, this
   would indicate that
 
  a. the standard deviation of the distribution is a function of the range
  b. the samples probably represent different populations
  c. the samples were probably selected from a single population
  d. none of these, since the mean can never be negative


miss_1456@hotmail.com

  • Sr. Member
  • ****
  • Posts: 289
Reply #1 on: Jun 20, 2018
Answer to Question 1

a

Answer to Question 2

b


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

East–West Differences in Interpreting Emotion East–West Differences in Interpreting Emotion
Archaea, Eukarya, Bacteria Differences Chart Archaea, Eukarya, Bacteria Differences Chart
How to find the first and second differences for any table of values How to find the first and second differences for any table of values
Third Differences Third Differences
The expected value for a binomial probability distribution is _____. The expected value for a binomial probability distribution is _____.
comparisons/differences comparisons/differences
Video: Calvin Cycle Explained!

For a complete list of videos, visit our video library