This topic contains a solution. Click here to go to the answer

Author Question: A regression analysis resulted in the following information regarding a dependent variable (y) and ... (Read 20 times)

leilurhhh

  • Hero Member
  • *****
  • Posts: 560
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
Answer to Question 1

c

Answer to Question 2

b



leilurhhh

  • Hero Member
  • *****
  • Posts: 560
Both answers were spot on, thank you once again




 

Did you know?

Drug-induced pharmacodynamic effects manifested in older adults include drug-induced renal toxicity, which can be a major factor when these adults are experiencing other kidney problems.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Congestive heart failure is a serious disorder that carries a reduced life expectancy. Heart failure is usually a chronic illness, and it may worsen with infection or other physical stressors.

Did you know?

Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.

Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

For a complete list of videos, visit our video library