« previous next »

Author Question: When the data have the properties of interval data and the multiplication or division of two values ... (Read 54 times)

xclash

  • Hero Member
  • *****
  • Posts: 681
on: Jun 24, 2018
When the data have the properties of interval data and the multiplication or division of two values is meaningful, the variable has which scale of measurement?
 a. nominal
  b. ordinal
  c. interval
  d. ratio

Question 2

The average starting salary of this year's graduates of a large university (LU) is 20,000 with a standard deviation of 8,000 . Furthermore, it is known that the starting salaries are normally distributed.
 a. What is the probability that a randomly selected LU graduate will have a starting salary of at least 30,400?
  b. Individuals with starting salaries of less than 15,600 receive a low income tax break. What percentage of the graduates will receive the tax break?
  c. What are the minimum and the maximum starting salaries of the middle 95 of the LU graduates?
  d. If 189 of the recent graduates have salaries of at least 32,240, how many students graduated this year from this university?


kjohnson

  • Sr. Member
  • ****
  • Posts: 330
Reply #1 on: Jun 24, 2018
Answer to Question 1

d

Answer to Question 2

a. .0968
b. 29.12
c. 4,320, 35,680
d. 3,000


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Bisphosphonates were first developed in the nineteenth century. They were first investigated for use in disorders of bone metabolism in the 1960s. They are now used clinically for the treatment of osteoporosis, Paget's disease, bone metastasis, multiple myeloma, and other conditions that feature bone fragility.

Did you know?

No drugs are available to relieve parathyroid disease. Parathyroid disease is caused by a parathyroid tumor, and it needs to be removed by surgery.

Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Stem cell division and differentiation Stem cell division and differentiation
Values, both those held by individuals and those that represent a nation or people, can undergo deep ... Values, both those held by individuals and those that represent a nation or people, can undergo deep ...
Modified Amino acids with unique properties Modified Amino acids with unique properties
Atmospheric properties include temperature, pressure, and humidity Atmospheric properties include temperature, pressure, and humidity
Long division for polynomials Long division for polynomials
Selected Broad Sense Heritability (H2) Values from Human Twin Studies Selected Broad Sense Heritability (H2) Values from Human Twin Studies
Video: EpiPen Animation (Part 2)

For a complete list of videos, visit our video library