« previous next »

Author Question: A college dean believes that the median hours spent studying by full time students is at least 11 ... (Read 33 times)

geodog55

  • Hero Member
  • *****
  • Posts: 530
on: Jul 24, 2018
A college dean believes that the median hours spent studying by full time students is at least 11 hours per week.
 
  In a random sample of 100 students, 60 studied more than 11 hours, 10 studied exactly 11 hours and the rest studied less than 11 hours. Find the test statistic to test the deans hypothesis. Use  = 0.05. A) -3.057 B) -3.162 C) -3.9 D) -4

Question 2

The mean age of professors at a university is greater than 58.3 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?
 
  A) There is sufficient evidence to support the claim  > 58.3.
  B) There is sufficient evidence to reject the claim  > 58.3.
  C) There is not sufficient evidence to reject the claim  > 58.3.
  D) There is not sufficient evidence to support the claim  > 58.3.


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

A


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

geodog55

  • Hero Member
  • *****
  • Posts: 530
Reply #2 on: Jul 24, 2018
Both answers were spot on, thank you once again


Jbrasil

  • Sr. Member
  • ****
  • Posts: 337
Reply #3 on: Jul 24, 2018
Great! Please up vote :D


« previous next »
 

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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.

Did you know?

Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.

Did you know?

According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.

Did you know?

Adolescents often feel clumsy during puberty because during this time of development, their hands and feet grow faster than their arms and legs do. The body is therefore out of proportion. One out of five adolescents actually experiences growing pains during this period.

Applying a time strip to the IV container. Applying a time strip to the IV container.
Full Moon Full Moon
Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo Emanuel Leutze’s Washington Crossing the Delaware (1851) is riddled with historical inaccuracies, mo
Prepare for weekend plans when hours feel like minutes Prepare for weekend plans when hours feel like minutes
Surtsey, a volcanic island, during the time of its formation. Surtsey, a volcanic island, during the time of its formation.
Time-of-entry mapping Time-of-entry mapping
Video: Normal and abnormal blood pH

For a complete list of videos, visit our video library