« previous next »

Author Question: A survey can collect information using which of the following techniques? a. telephone b. ... (Read 58 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?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Bioarchaeologists and forensic anthropologists use archaeological excavation techniques to recover r Bioarchaeologists and forensic anthropologists use archaeological excavation techniques to recover r
Comparing Traditional and Industrialized (and Information) Societies Comparing Traditional and Industrialized (and Information) Societies
Survey of conserved nucleotides in E. coli promoters Survey of conserved nucleotides in E. coli promoters
Conventions and Techniques of Egyptian Pictorial Relief Conventions and Techniques of Egyptian Pictorial Relief
Two techniques for holding and inserting an otoscope Two techniques for holding and inserting an otoscope
Accounting Information Systems, 4th Edition Accounting Information Systems, 4th Edition
Video: Types of antimicrobial substances (interferons & complement protein)

For a complete list of videos, visit our video library