Author Question: Door-to-door interviews are still used heavily by researchers. Indicate whether the statement is ... (Read 97 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?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

For a complete list of videos, visit our video library