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

Author Question: The distribution of differences between means is a. normally distributed for very large samples. ... (Read 14 times)

Bob-Dole

  • Hero Member
  • *****
  • Posts: 547
The distribution of differences between means is
 
  a. normally distributed for very large samples.
  b. approaches normal as sample sizes increase.
  c. may be nonnormal for small samples.
  d. all of the above.

Question 2

When testing the means of independent samples, the null hypothesis is best thought of as
 
  a. the mean of population 1 is equal to the mean of population 2.
  b. the mean of population 1 is unequal to the mean of population 2.
  c. the mean of a set of difference scores is equal to 0.
  d. the two population means don't differ by more than 10 points.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

jojobee318

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

D

Answer to Question 2

A




Bob-Dole

  • Member
  • Posts: 547
Reply 2 on: Jun 20, 2018
Thanks for the timely response, appreciate it


chereeb

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

The effects of organophosphate poisoning are referred to by using the abbreviations “SLUD” or “SLUDGE,” It stands for: salivation, lacrimation, urination, defecation, GI upset, and emesis.

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?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

For a complete list of videos, visit our video library