Author Question: Suppose Apple would like to test the hypothesis that the standard deviation for the web browsing ... (Read 137 times)

Anajune7

  • Hero Member
  • *****
  • Posts: 574
Suppose Apple would like to test the hypothesis that the standard deviation for the web browsing battery life of the iPad equals 3.0 hours. The following data represents the battery life, in hours, experienced by a random sample of six users.
 
  10 14 12 16 10 6The sample standard deviation is ________.A) 2.41
  B) 2.66
  C) 3.19
  D) 3.50

Question 2

The No Child Left behind Act of 2001 (NCLB) established standards-based guidelines to determine the effectiveness of public schools. According to a recent study, 45.5 of U.S.
 
  public schools failed to make adequate progress in a recent year as defined by NCLB. A random sample of 67 public schools was selected. The standard error of the proportion is ________.A) 0.0294
  B) 0.0322
  C) 0.0487
  D) 0.0608


jamesnevil303

  • Sr. Member
  • ****
  • Posts: 337
Answer to Question 1

D

Answer to Question 2

D



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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.

For a complete list of videos, visit our video library