Top Posters
Since Sunday
New Topic  
cheesyboots cheesyboots
wrote...
Posts: 135
Rep: 0 0
A year ago

Information regarding random samples of annual salaries (in thousands of dollars) of doctors in three different specialties is shown below.
 


 

 PediatricsRadiologyPathology
Sample size121011
Average salary120186240
Sample variance161820


 

a.Compute the overall mean.
b.State the null and alternative hypotheses to be tested.
c.Show the complete ANOVA table for this test including the test statistic.
d.The null hypothesis is to be tested at 95% confidence. Determine the critical value for this test. What do you conclude?
e.Determine the p-value and use it for the test.

Textbook 
Essentials of Statistics for Business and Economics

Essentials of Statistics for Business and Economics


Edition: 7th
Authors:
Read 42 times
1 Reply
Replies
Answer verified by a subject expert
LeonKennedySLeonKennedyS
wrote...
Posts: 115
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

cheesyboots Author
wrote...

A year ago
Just got PERFECT on my quiz
wrote...

Yesterday
Smart ... Thanks!
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1257 People Browsing
Related Images
  
 395
  
 159
  
 799
Your Opinion
What's your favorite funny biology word?
Votes: 328