Author Question: Mail surveys can reach geographically dispersed respondents who are otherwise difficult to contact. ... (Read 82 times)

gonzo233

  • Hero Member
  • *****
  • Posts: 557
Mail surveys can reach geographically dispersed respondents who are otherwise difficult to contact.
 
 Indicate whether the statement is true or false

Question 2

A t-test is not appropriate and should not be used when the sample size is greater than 30.
 
 Indicate whether the statement is true or false



nothere

  • Sr. Member
  • ****
  • Posts: 324
Answer to Question 1

T

Answer to Question 2

T
Researchers often employ a t-test even with large samples. As samples get larger, the t-test and Z-test will tend to yield the same results.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.

Did you know?

There are over 65,000 known species of protozoa. About 10,000 species are parasitic.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

For a complete list of videos, visit our video library