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

Author Question: A quality control officer tests bottles of shampoo to see if the filling machines are putting the ... (Read 20 times)

laurencescou

  • Hero Member
  • *****
  • Posts: 593
on: Jul 24, 2018
A quality control officer tests bottles of shampoo to see if the filling machines are putting the proper amount in each bottle. They do not want to shut down production unless there is strong evidence indicating that the machines are not functioning properly. After testing a sample of bottles, the quality control officer decides to leave the filling machines operating. Actually, however, the filling machines are not operating properly. Which type of error, if any, did the quality control officer commit?
 a. This is a Type I error.
  b. This is a Type II error.
  c. This is a Type O error.
  d. This is a correct decision.
  e. Need more information to answer this question.

Question 2

Why does the sign test use a null hypothesis about the median instead of the mean like a t - test uses?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Carissamariew

  • Sr. Member
  • ****
  • Posts: 359
Reply #1 on: Jul 24, 2018
Answer to Question 1

B

Answer to Question 2

The median is the middle value such that 50 of the distribution is larger in value and 50 is smaller in value.


laurencescou

  • Member
  • Posts: 593
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

irishcancer18

  • Member
  • Posts: 310
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

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.

Did you know?

Fatal fungal infections may be able to resist newer antifungal drugs. Globally, fungal infections are often fatal due to the lack of access to multiple antifungals, which may be required to be utilized in combination. Single antifungals may not be enough to stop a fungal infection from causing the death of a patient.

Did you know?

All adults should have their cholesterol levels checked once every 5 years. During 2009–2010, 69.4% of Americans age 20 and older reported having their cholesterol checked within the last five years.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Space-filling model of an actin filament (shades of red) with one myosin head (gray and two shades o Space-filling model of an actin filament (shades of red) with one myosin head (gray and two shades o
Hormonal control of the male reproductive hormones Hormonal control of the male reproductive hormones
Control of the Membrane Potential Control of the Membrane Potential
Procedures and Diagnostic Tests Related to the Urinary System Procedures and Diagnostic Tests Related to the Urinary System
Some vehicles will display a message if an evaporative control system leak is detected that could ... Some vehicles will display a message if an evaporative control system leak is detected that could ...
Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in Biological control agent: a commercially raised parasitoid wasp about to deposit a fertilized egg in
Video: Digestive System Animation

For a complete list of videos, visit our video library