« previous next »

Author Question: Door-to-door interviews are still used heavily by researchers. Indicate whether the statement is ... (Read 101 times)

nramada

  • Hero Member
  • *****
  • Posts: 580
on: Jun 29, 2018
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
Reply #1 on: Jun 29, 2018
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
« previous next »
 

Did you know?

As the western states of America were settled, pioneers often had to drink rancid water from ponds and other sources. This often resulted in chronic diarrhea, causing many cases of dehydration and death that could have been avoided if clean water had been available.

Did you know?

Since 1988, the CDC has reported a 99% reduction in bacterial meningitis caused by Haemophilus influenzae, due to the introduction of the vaccine against it.

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Cucumber slices relieve headaches by tightening blood vessels, reducing blood flow to the area, and relieving pressure.

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that Bronfenbrenner’s model of the ecological-systems approach to studying development. He suggested that
Henry Fox Talbot, The Open Door. Henry Fox Talbot, The Open Door.
Researchers have found that science instruction can be quite effective in grades 4 to 7. Researchers have found that science instruction can be quite effective in grades 4 to 7.
Example of Reconciling a Bank Statement Cont. Example of Reconciling a Bank Statement Cont.
Example of Reconciling a Bank Statement Cont. Example of Reconciling a Bank Statement Cont.
Researchers and Research Spending, 2009 Researchers and Research Spending, 2009
Video: Bone tissue types - compact and spongy

For a complete list of videos, visit our video library