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

Author Question: At the = 0.05 significance level test the claim that a population has a standard deviation of 20.3. ... (Read 67 times)

WWatsford

  • Hero Member
  • *****
  • Posts: 539
    • Biology Forums!
At the  = 0.05 significance level test the claim that a population has a standard deviation of 20.3. A random sample of 18 people yields a standard deviation of 27.1.
 
  What will be an ideal response?

Question 2

How many ways can 6 people be chosen and arranged in a straight line if there are 8 people to choose from?
 
  A) 48 B) 40,320 C) 20,160 D) 720



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

kristenb95

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

Test statistic: X2 = 30.297. Critical values: X2 = 7.564, 30.191. Reject the null hypothesis. There is sufficient evidence to warrant rejection of the claim that the standard deviation of the population is equal to 20.3.

Answer to Question 2

C




WWatsford

  • Member
  • Posts: 539
Reply 2 on: Aug 1, 2018
Gracias!


mohan

  • Member
  • Posts: 362
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

The first war in which wide-scale use of anesthetics occurred was the Civil War, and 80% of all wounds were in the extremities.

Did you know?

Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

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?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library