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

Author Question: Regression analysis was applied between demand for a product (y) and the price of the product (x), ... (Read 131 times)

Awilson837

  • Hero Member
  • *****
  • Posts: 509
on: Jun 24, 2018
Regression analysis was applied between demand for a product (y) and the price of the product (x), and the following estimated regression equation was obtained. = 120 - 10x Based on the above estimated regression equation, if price is increased by 2 units, then demand is expected to
 a. increase by 120 units.
  b. decrease by 100 units.
  c. increase by 20 units.
  d. decease by 20 units.

Question 2

The monthly earnings of computer programmers are normally distributed with a mean of 4,000 . If only 1.7 percent of programmers have monthly incomes of less than 2,834, what is the value of the standard deviation of the monthly earnings of the computer programmers?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ryhom

  • Sr. Member
  • ****
  • Posts: 366
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

550


Awilson837

  • Hero Member
  • *****
  • Posts: 509
Reply #2 on: Jun 24, 2018
Thank you


ryhom

  • Sr. Member
  • ****
  • Posts: 366
Reply #3 on: Jun 24, 2018
No problemo


« previous next »
 

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

Intradermal injections are somewhat difficult to correctly administer because the skin layers are so thin that it is easy to accidentally punch through to the deeper subcutaneous layer.

Did you know?

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

DNA analysis of phylogenetic relationships among modern and extinct flightless birds by Cooper and c DNA analysis of phylogenetic relationships among modern and extinct flightless birds by Cooper and c
Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis Hillig and Mahlberg's analysis of secondary metabolites in the genus Cannabis
STR DNA Analysis Technique STR DNA Analysis Technique
Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on Meta-analysis of 18 studies shows that aerobic exercise causes better performance in older adults on
Patent medicines contained a name brand that clearly identified the product and claimed to cure just ... Patent medicines contained a name brand that clearly identified the product and claimed to cure just ...
Table - Analysis Table - Analysis
Video: Origin of organelles Animation

For a complete list of videos, visit our video library