This topic contains a solution. Click here to go to the answer

Author Question: The primary interest of designing a randomized block experiment is to: a. reduce the ... (Read 83 times)

melly21297

  • Hero Member
  • *****
  • Posts: 565
The primary interest of designing a randomized block experiment is to:
 a. reduce the within-treatments variation to more easily detect differences among the treatment means.
  b. increase the between-treatments variation to more easily detect differences among the treatment means.
  c. reduce the variation among blocks.
  d. None of these choices.

Question 2

A production facility produces 75 units per hour and uses an x chart to monitor its quality. The control limits are seat at 2.5 standard errors from the mean. On average, how many units will be produced until the control chart signals that the process is out of control, when it is in fact under control?



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

nixon_s

  • Sr. Member
  • ****
  • Posts: 359
Answer to Question 1

A

Answer to Question 2

Since P = P ( z  > 2.5) = .0124, then ARL = 1/P = 1/.024  81 samples should be taken.
Number of units = 75 units per sample  81 samples = 6,075 units.




melly21297

  • Member
  • Posts: 565
Reply 2 on: Jun 24, 2018
Great answer, keep it coming :)


Perkypinki

  • Member
  • Posts: 339
Reply 3 on: Yesterday
Wow, this really help

 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

It is believed that the Incas used anesthesia. Evidence supports the theory that shamans chewed cocoa leaves and drilled holes into the heads of patients (letting evil spirits escape), spitting into the wounds they made. The mixture of cocaine, saliva, and resin numbed the site enough to allow hours of drilling.

Did you know?

Many supplement containers do not even contain what their labels say. There are many documented reports of products containing much less, or more, that what is listed on their labels. They may also contain undisclosed prescription drugs and even contaminants.

Did you know?

Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

For a complete list of videos, visit our video library