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

Author Question: Suppose a least squares regression was performed on two quantitative variables. Given the summary ... (Read 344 times)

future617RT

  • Hero Member
  • *****
  • Posts: 543
on: Jun 24, 2018

  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
Reply #1 on: Jun 24, 2018
Answer to Question 1

correct: a

Answer to Question 2

correct: b


future617RT

  • Member
  • Posts: 543
Reply 2 on: Jun 24, 2018
:D TYSM

shailee

  • Member
  • Posts: 392
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

How to Factor a Difference of Squares How to Factor a Difference of Squares
Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ... Rapping. Tapotement performed with the knuckles of a loosely closed fist, as if rapping lightly on a ...
Summary of the structure of DNA Summary of the structure of DNA
Let f be a real function with domain R. Suppose that for each ǫ > 0, there is a continuous ... Let f be a real function with domain R. Suppose that for each ǫ > 0, there is a continuous ...
Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ... Suppose that we have a sample space with five equally likely experimental outcomes: E1, E2, E3, ...
QTLs for Quantitative Phenotypes Organism QTLs for Quantitative Phenotypes Organism
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library