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

Author Question: Suppose a least squares regression was performed on two quantitative variables. Given the summary ... (Read 121 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543

  Suppose a least squares regression was performed on two quantitative variables. Given the summary statistics below, what is the equation for the line of best fit? SSxx = 2000, SSxy = 800, yi = 500, xi = 1600, n = 40
 

  a.
  b.The least squares regression line cannot be determined from the information given.
  c.
  d.

Question 2


  Which, if any, of the following x values should not be used to a make a prediction with the regression line shown in the Minitab output below?
  a.x = 1.8
  b.x = 4
  c.x = 3.1
  d.x = 2
 



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

cclemon1

  • Sr. Member
  • ****
  • Posts: 312
Answer to Question 1

correct: a

Answer to Question 2

correct: b




future617RT

  • Member
  • Posts: 543
Reply 2 on: Jun 24, 2018
Gracias!


amynguyen1221

  • Member
  • Posts: 355
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

All adverse reactions are commonly charted in red ink in the patient's record and usually are noted on the front of the chart. Failure to follow correct documentation procedures may result in malpractice lawsuits.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

Only one in 10 cancer deaths is caused by the primary tumor. The vast majority of cancer mortality is caused by cells breaking away from the main tumor and metastasizing to other parts of the body, such as the brain, bones, or liver.

For a complete list of videos, visit our video library