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

Author Question: Residual analysis is conducted to check whether regression assumptions are met. Which of the ... (Read 76 times)

fox

  • Hero Member
  • *****
  • Posts: 540
on: Jun 24, 2018
Residual analysis is conducted to check whether regression assumptions are met. Which of the following is not an assumption made in simple linear regression?
 
  A) Errors are independent of each other.
  B) Errors are normally distributed.
  C) Errors are linearly related to x.
  D) Errors have constant variance.

Question 2

A company has recorded annual sales for the past 14 years and found the following linear trend model: y = 5.23 + 144.60t. This means that:
 
  A) on average sales are increasing by of 5.23 per year.
  B) on average sales are increasing by of 144.6 per year.
  C) there is a seasonal component in the data.
  D) sales in year 1 were 5.23.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

zhanghao

  • Sr. Member
  • ****
  • Posts: 316
Reply #1 on: Jun 24, 2018
Answer to Question 1

C

Answer to Question 2

B


fox

  • Member
  • Posts: 540
Reply 2 on: Jun 24, 2018
Excellent

Jossy

  • Member
  • Posts: 336
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

There are immediate benefits of chiropractic adjustments that are visible via magnetic resonance imaging (MRI). It shows that spinal manipulation therapy is effective in decreasing pain and increasing the gaps between the vertebrae, reducing pressure that leads to pain.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Pedigree Analysis and Inheritance p2 Pedigree Analysis and Inheritance p2
From 1965 to 1968, American troops in Vietnam conducted “search and destroy” missions to shatter ... From 1965 to 1968, American troops in Vietnam conducted “search and destroy” missions to shatter ...
Western blot analysis of viral antigens. The nitrocellulose strips from the kit contain blotted ... Western blot analysis of viral antigens. The nitrocellulose strips from the kit contain blotted ...
Table - Analysis Table - Analysis
GENETIC ANALYSIS 15.1 (3 of 5) GENETIC ANALYSIS 15.1 (3 of 5)
QTL analysis in introgression lines QTL analysis in introgression lines
Video: Proteins Defined, Hierarchy & Composition of Cells

For a complete list of videos, visit our video library