« previous next »

Author Question: The shift supervisor at a local manufacturing plant collected data on the number of defects coming ... (Read 29 times)

jwb375

  • Hero Member
  • *****
  • Posts: 540
on: Jun 24, 2018
The shift supervisor at a local manufacturing plant collected data on the number of defects coming off an assembly line over the past eight weeks (40 work days). She summarized the data in the following frequency table.
 
   of Errors 0 1 2 3 4 5
   of Weeks 1 4 7 16 10 2
 
  What is the weighted average number of errors per night?

Question 2

What is the width of the interval?
 
  A) 4.86
  B) 2.56
  C) 3.24
  D) 6.48


ally

  • Sr. Member
  • ****
  • Posts: 331
Reply #1 on: Jun 24, 2018
Answer to Question 1

Weighted mean = 2.9

Answer to Question 2

C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

In 2010, opiate painkllers, such as morphine, OxyContin®, and Vicodin®, were tied to almost 60% of drug overdose deaths.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

After 5 years of being diagnosed with rheumatoid arthritis, one every three patients will no longer be able to work.

Plant Biology Plant Biology
Small local hydroelectric power generators have more future potential Small local hydroelectric power generators have more future potential
Other countries are “Americanizing” their local culture’s diet Other countries are “Americanizing” their local culture’s diet
Drawings depicting mitosis in an animal cell with a diploid number of 4 Drawings depicting mitosis in an animal cell with a diploid number of 4
A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is: A thimble of water contains 4.0 x 1021 molecules. The number of moles of H2O is:
Plant growth with and without fungus (comparison) Plant growth with and without fungus (comparison)
Video: Premenstrual Syndrome

For a complete list of videos, visit our video library