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 129 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?

The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Blood is approximately twice as thick as water because of the cells and other components found in it.

Did you know?

Most fungi that pathogenically affect humans live in soil. If a person is not healthy, has an open wound, or is immunocompromised, a fungal infection can be very aggressive.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

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
Wheat and Cotton Prices and Consumer Price Indexes, 1865–1896 Wheat and Cotton Prices and Consumer Price Indexes, 1865–1896
The human eye, a product of 600 million years of evolution (Lamb, Collin, & Pugh, 2007). The human eye, a product of 600 million years of evolution (Lamb, Collin, & Pugh, 2007).
Sonal bought a coat for $198.88, which included 8% PST and 5% GST. What was the selling price ... Sonal bought a coat for $198.88, which included 8% PST and 5% GST. What was the selling price ...
Test-cross analysis of F1 plants Test-cross analysis of F1 plants
Z/W inheritance of feather form in poultry is revealed by analysis of reciprocal crosses Z/W inheritance of feather form in poultry is revealed by analysis of reciprocal crosses
Video: Simple Diffusion - gases and nonpolar compounds transport

For a complete list of videos, visit our video library