Author Question: The _________________ provides an estimate for the population variance whether or not the null ... (Read 32 times)

KimWrice

  • Hero Member
  • *****
  • Posts: 579
The _________________ provides an estimate for the population variance whether or not the null hypothesis is true for one-way ANOVA.
 
  A) sum of squares error
  B) total sum of squares
  C) mean square between
  D) mean square within

Question 2

Many hotel chains that offer free Wi-Fi service to their customers have experienced increasing demand for Internet bandwidth and increasing costs.
 
  Marriott International would like to test the hypothesis that the proportion of customers that are carrying two Wi-Fi devices exceeds 0.60. A random sample of 120 Marriott customers found that 78 have two Wi-Fi devices. Marriott International would like to set  = 0.01. The critical value for this hypothesis test would be ________.A) 1.28
  B) 1.645
  C) 2.33
  D) 1.96


atrochim

  • Sr. Member
  • ****
  • Posts: 331
Answer to Question 1

D

Answer to Question 2

C



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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.

Did you know?

Most childhood vaccines are 90–99% effective in preventing disease. Side effects are rarely serious.

Did you know?

Though Candida and Aspergillus species are the most common fungal pathogens causing invasive fungal disease in the immunocompromised, infections due to previously uncommon hyaline and dematiaceous filamentous fungi are occurring more often today. Rare fungal infections, once accurately diagnosed, may require surgical debridement, immunotherapy, and newer antifungals used singly or in combination with older antifungals, on a case-by-case basis.

Did you know?

Anti-aging claims should not ever be believed. There is no supplement, medication, or any other substance that has been proven to slow or stop the aging process.

For a complete list of videos, visit our video library