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

Author Question: The 90 confidence interval estimate of a population standard deviation when a sample variance of 50 ... (Read 96 times)

ss2343

  • Hero Member
  • *****
  • Posts: 548
on: Aug 1, 2018
The 90 confidence interval estimate of a population standard deviation when a sample variance of 50 is obtained from a sample of 15 items is
 a. 26.8 to 124.356.
  b. 5.177 to 11.152.
  c. 5.436 to 10.321.
  d. 29.555 to 106.529.

Question 2

The 99 confidence interval estimate for a population variance when a sample standard deviation of 12 is obtained from a sample of 10 items is
 a. 4.589 to 62.253.
  b. 46.538 to 422.171.
  c. 54.941 to 746.974.
  d. 62.042 to 562.895.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

snackralk

  • Sr. Member
  • ****
  • Posts: 363
Reply #1 on: Aug 1, 2018
Answer to Question 1

c

Answer to Question 2

c


ss2343

  • Member
  • Posts: 548
Reply 2 on: Aug 1, 2018
Great answer, keep it coming :)

shewald78

  • Member
  • Posts: 340
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.

Did you know?

More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.

Did you know?

The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

Did you know?

About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.

CycleBeads help women use the Standard Days Method. CycleBeads help women use the Standard Days Method.
Natural selection of a population for dark coloration. Natural selection of a population for dark coloration.
Standard Alcoholic Drink Sizes Standard Alcoholic Drink Sizes
a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments. a) Standard PCR machine used for genotyping and (b) agarose gel to detect DNA fragments.
Sample prescriptions of antibiotics for dental infections. Sample prescriptions of antibiotics for dental infections.
Population and Settlement Population and Settlement
Video: Predator- prey competition and symbiosis

For a complete list of videos, visit our video library