This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 ... (Read 102 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
on: Jun 28, 2018
Suppose the ordinary least-squares approach to a regression analysis produced the following: Y = 20 - 39X and R2 = .90 . Which of the following statements is FALSE?
 a. For every unit change in X there is a corresponding negative change in the average value of Y of 39 units.
  b. 90 of the variation in Y is associated with variation in X.
  c. The slope of the line is 20.
  d. The average value of Y given x = 10 is 370.
  e. If X = 0, then Y = 20.

Question 2

Most enterprises need to allocate more resources to customer retention, not to customer acquisition.
 a. True
  b. False
 Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

olderstudent

  • Sr. Member
  • ****
  • Posts: 339
Reply #1 on: Jun 28, 2018
Answer to Question 1

c

Answer to Question 2

True


Kthamas

  • Member
  • Posts: 546
Reply 2 on: Jun 28, 2018
Wow, this really help

kishoreddi

  • Member
  • Posts: 329
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Texaco, which produced this poster, used a racist caricature to discourage absenteeism among ... Texaco, which produced this poster, used a racist caricature to discourage absenteeism among ...
Validation of the genetic code by amino acid sequence analysis of T4 phage lysozyme mutants Validation of the genetic code by amino acid sequence analysis of T4 phage lysozyme mutants
Major Agricultural Crops Produced in the United States, 2011 Major Agricultural Crops Produced in the United States, 2011
Microarray analysis for analyzing gene-expression patterns in a tissue Microarray analysis for analyzing gene-expression patterns in a tissue
Bayesian Analysis of the Genotype of II-2 in Figure A.4 Bayesian Analysis of the Genotype of II-2 in Figure A.4
GENETIC ANALYSIS GENETIC ANALYSIS
Video: Interview with an Anorexic Woman (Part 1 of 2)

For a complete list of videos, visit our video library