Author Question: Door-to-door interviews are still used heavily by researchers. Indicate whether the statement is ... (Read 114 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
Door-to-door interviews are still used heavily by researchers.
 
 Indicate whether the statement is true or false

Question 2

The degrees of freedom are calculated as d.f. = n - 1 when using the t-test for comparing two means.
 
 Indicate whether the statement is true or false



pami445

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

F
Door-to-door interviews are becoming a thing of the past due to security reasons or executives who are too busy to grant personal interviews during business hours.

Answer to Question 2

F
In a test of two means, degrees of freedom are calculated as d.f. = n - k, where n = n1 + n2 and k = number of groups.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

For a complete list of videos, visit our video library