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 106 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
Wow, this really help

ktidd

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

Did you know?

Excessive alcohol use costs the country approximately $235 billion every year.

Did you know?

Atropine, along with scopolamine and hyoscyamine, is found in the Datura stramonium plant, which gives hallucinogenic effects and is also known as locoweed.

Did you know?

The eye muscles are the most active muscles in the whole body. The external muscles that move the eyes are the strongest muscles in the human body for the job they have to do. They are 100 times more powerful than they need to be.

The role of leptin in regulating appetite and metabolic rate. The role of leptin in regulating appetite and metabolic rate.
Exercise increases the heart rate. Exercise increases the heart rate.
meds for heart failure meds for heart failure
Increasing access to care for teen mothers is important because they have a higher rate of pregnancy ... Increasing access to care for teen mothers is important because they have a higher rate of pregnancy ...
Static Stability & Environmental Lapse Rate Static Stability & Environmental Lapse Rate
For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ... For each function f(x) = 6x^2 - 4, estimate the instantaneous rate of change for the given ...
Video: Blood Pressure Measurement

For a complete list of videos, visit our video library