« previous next »

Author Question: A survey can collect information using which of the following techniques? a. telephone b. ... (Read 26 times)

craiczarry

  • Hero Member
  • *****
  • Posts: 527
on: Jun 29, 2018
A survey can collect information using which of the following techniques?
 a. telephone
  b. face-to-face interviews
  c. mail
  d. all of these choices

Question 2

If additional independent (X) variables are added into the regression equation, r2 will always get larger. To correct for this situation, statisticians have developed the _______________, which is not so easily influenced by additional variables.
 a. least sum-of-squares c. standard error
  b. r2-adjusted d. coefficient of determination


Brenm

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jun 29, 2018
Answer to Question 1

D

Answer to Question 2

B
r2-adjusted was developed to prevent r2 from automatically increasing by just adding additional X variables.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Mechanisms that convey positional information during embryonic development. Mechanisms that convey positional information during embryonic development.
Discharge summary information Discharge summary information
A pleasant smile can go a long way, even through telephone lines. A pleasant smile can go a long way, even through telephone lines.
Technology has changed our lives fundamentally. The connection to each telephone call used to have ... Technology has changed our lives fundamentally. The connection to each telephone call used to have ...
Swedish Massage Techniques and Variations Swedish Massage Techniques and Variations
Conventions and Techniques of Egyptian Pictorial Relief Conventions and Techniques of Egyptian Pictorial Relief
Video: Oxygen transport: association and dissociation & Factors that affect hemoglobin's saturation with O2

For a complete list of videos, visit our video library