Author Question: Whenever the mean of the distribution of differences equals zero, then one can be fairly safe in ... (Read 29 times)

nenivikky

  • Hero Member
  • *****
  • Posts: 516
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
Answer to Question 1

a

Answer to Question 2

b



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

For a complete list of videos, visit our video library