« previous next »

Author Question: A college dean believes that the median hours spent studying by full time students is at least 11 ... (Read 59 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?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

The familiar sounds of your heart are made by the heart's valves as they open and close.

Did you know?

When Gabriel Fahrenheit invented the first mercury thermometer, he called "zero degrees" the lowest temperature he was able to attain with a mixture of ice and salt. For the upper point of his scale, he used 96°, which he measured as normal human body temperature (we know it to be 98.6° today because of more accurate thermometers).

Did you know?

Of the estimated 2 million heroin users in the United States, 600,000–800,000 are considered hardcore addicts. Heroin addiction is considered to be one of the hardest addictions to recover from.

Guinea pig pup at eight hours old Guinea pig pup at eight hours old
Time Slows Down Near Matter Time Slows Down Near Matter
The Geologic Time Scale The Geologic Time Scale
The frequency of aneuploidy changes dramatically over developmental time. Between 6 to 8 weeks and 2 The frequency of aneuploidy changes dramatically over developmental time. Between 6 to 8 weeks and 2
Beethoven - Moonlight Sonata (FULL) Beethoven - Moonlight Sonata (FULL)
Time-of-entry mapping Time-of-entry mapping
Video: Non-specific disease resistance mechanisms & Skin's defense barriers

For a complete list of videos, visit our video library