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 49 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
Thanks for the timely response, appreciate it

ricroger

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

Lower drug doses for elderly patients should be used first, with titrations of the dose as tolerated to prevent unwanted drug-related pharmacodynamic effects.

Did you know?

Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

About 100 new prescription or over-the-counter drugs come into the U.S. market every year.

Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough Uranus revolves around the Sun once every 84 Earth years. Its average distance from the Sun is rough
Heart Failure RIght side Heart Failure RIght side
Slope Failure and Lithology Slope Failure and Lithology
Piaget was one of the first to go beyond observable behavior in an attempt to determine how infants ... Piaget was one of the first to go beyond observable behavior in an attempt to determine how infants ...
Respiratory Rate Ranges of Various Age Groups Respiratory Rate Ranges of Various Age Groups
The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10 The radius of the Sun is 6.95 × 108 m. It radiates heat at the rate of 5.32 x 10
Video: Stretch reflex & Tendon reflex

For a complete list of videos, visit our video library