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

Author Question: A sample of 144 cans of coffee showed an average weight of 32 ounces. The standard deviation of the ... (Read 63 times)

Pineappleeh

  • Hero Member
  • *****
  • Posts: 585
on: Jun 24, 2018
A sample of 144 cans of coffee showed an average weight of 32 ounces. The standard deviation of the population is known to be 1.4 ounces.
 a. Construct a 68.26 confidence interval for the mean of the population.
  b. Construct a 97 confidence interval for the mean of the population.
  c. Discuss why the answers in Parts a and b are different.

Question 2

The three quality processes on which Juran's approach to quality focused include all of the following except
 a. quality planning.
 b. quality management.
  c. quality control.
 d. quality improvement.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

asware1

  • Sr. Member
  • ****
  • Posts: 318
Reply #1 on: Jun 24, 2018
Answer to Question 1

a. 31.88 to 32.12 ounces
b. 31.75 to 32.25 ounces
c. As the level of confidence increases, the confidence interval becomes wider.

Answer to Question 2

b


Pineappleeh

  • Member
  • Posts: 585
Reply 2 on: Jun 24, 2018
Gracias!

TheNamesImani

  • Member
  • Posts: 334
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

Did you know?

Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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?

Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.

Did you know?

Nearly all drugs pass into human breast milk. How often a drug is taken influences the amount of drug that will pass into the milk. Medications taken 30 to 60 minutes before breastfeeding are likely to be at peak blood levels when the baby is nursing.

Average Global Temperature Rise over the Past Century Average Global Temperature Rise over the Past Century
Average national IQs according to IQ and Global Inequality Average national IQs according to IQ and Global Inequality
Measuring Adult Weight and Height Measuring Adult Weight and Height
Average Hourly Earnings of U.S. Workers in Current and Constant Dollars Average Hourly Earnings of U.S. Workers in Current and Constant Dollars
How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay? How long does it take for 90% of a sample of strontium-90 (half-life of 28.8 years) to decay?
Sample prescriptions of antibiotics for prophylaxis against infective endocarditis. Sample prescriptions of antibiotics for prophylaxis against infective endocarditis.
Video: Global warming and its effect on climate change

For a complete list of videos, visit our video library