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

Author Question: A quality inspector tested 33 copiers in an attempt to estimate the average failure rate of the ... (Read 114 times)

stephzh

  • Hero Member
  • *****
  • Posts: 556
on: Jun 24, 2018
A quality inspector tested 33 copiers in an attempt to estimate the average failure rate of the copier model. His study indicated that the number of failures decreased from two years ago, indicating an increase in the reliability of the copiers. Describe the variable of interest to the inspector.
 
  What will be an ideal response?

Question 2

Parking at a university has become a problem. University administrators are interested in determining the average time it takes a student to find a parking spot. An administrator inconspicuously followed 110 students and recorded how long it took each of them to find a parking spot. Identify the population, sample, and variable of interest to the administrators.
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jun 24, 2018
Answer to Question 1

The variable of interest to the researcher is the failure rate of the copiers.

Answer to Question 2

The population of interest are all students at the university who park. The sample is the parking times of the 110 students that were collected by the university administrator. The variable of interest to the administrators is the parking time variable.


stephzh

  • Member
  • Posts: 556
Reply 2 on: Jun 24, 2018
Excellent

anyusername12131

  • Member
  • Posts: 327
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

The training of an anesthesiologist typically requires four years of college, 4 years of medical school, 1 year of internship, and 3 years of residency.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Average Global Temperature during the Phanerozoic Average Global Temperature during the Phanerozoic
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
Pathophysiology of heart failure. Pathophysiology of heart failure.
Top Ten States Ranked by Rate or Reported Bacterial STI Cases in 2011 Top Ten States Ranked by Rate or Reported Bacterial STI Cases in 2011
Drugs in the Treatment of Heart Failure Drugs in the Treatment of Heart Failure
Desired Fertility versus Total Fertility Rate in Developing Countries Desired Fertility versus Total Fertility Rate in Developing Countries
Video: Protein Secondary and Tertiary Structures - Animation

For a complete list of videos, visit our video library