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

Author Question: A regression analysis resulted in the following information regarding a dependent variable (y) and ... (Read 26 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
on: Aug 1, 2018
A regression analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x). n = 10 x = 55 y = 55 x2 = 385 y2 = 385 xy = 220 The coefficient of determination equals _____.
 a. 0
  b. 1
  c. 1
  d. 0.5

Question 2

A regression analysis resulted in the following information regarding a dependent variable (y) and an independent variable (x). n = 10 x = 55 y = 55 x2 = 385 y2 = 385 xy = 220 The sample correlation coefficient equals _____.
 a. 0
  b. 1
  c. 1
  d. 0.5


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #1 on: Aug 1, 2018
Answer to Question 1

c

Answer to Question 2

b


leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Reply #2 on: Aug 1, 2018
Both answers were spot on, thank you once again


firehawk60

  • Sr. Member
  • ****
  • Posts: 315
Reply #3 on: Aug 1, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

In 2012, nearly 24 milliion Americans, aged 12 and older, had abused an illicit drug, according to the National Institute on Drug Abuse (NIDA).

Did you know?

To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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.

Information flows from the nucleus to the cytoplasm and back. Information flows from the nucleus to the cytoplasm and back.
Negative feedback control of a regulated variable. Negative feedback control of a regulated variable.
The offspring of the microchip—from computers to cell phones—offer access to vast information ... The offspring of the microchip—from computers to cell phones—offer access to vast information ...
Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase II Mechanism of the biotin-dependent pyruvate carboxylase reaction Phase II
GENETIC ANALYSIS GENETIC ANALYSIS
GENETIC ANALYSIS GENETIC ANALYSIS
Video: Homologous chromosomes during prophase I - Animation

For a complete list of videos, visit our video library