Top Posters
Since Sunday
g
3
3
2
J
2
p
2
m
2
h
2
s
2
r
2
d
2
l
2
a
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
doggerfresh doggerfresh
wrote...
Go to Answer
Posts: 135
Rep: 0 0
A year ago
When you are testing whether two population means of two normally distributed populations differ and the population variances are both unknown but unequal, thet test statistics will usually have a non-integer number of degrees of freedomv. In this case, you should:


▸

round down to the previous integer.



▸

round up to the next integer.



▸

assume that the population variances are equal and usev=n1+n2– 2.



▸

change the sample sizes until the number of degrees of freedom is an integer.

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
Read 27 times
1 Reply
Replies
Answer verified by a subject expert
astroasisastroasis
wrote...
#1
Posts: 130
Rep: 1 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

doggerfresh Author
wrote...

A year ago
Thank you, thank you, thank you!
DragonHeart
wrote...

Yesterday
Helped a lot
Evolution
wrote...

2 hours ago
Smart ... Thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1107 People Browsing
 131 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 254
  
 231
  
 677
Your Opinion
What's your favorite coffee beverage?
Votes: 274
Previous poll results: Who will win the 2024 president election?