Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
joshtatum92 joshtatum92
wrote...
Go to Answer
Posts: 130
Rep: 0 0
A year ago
If the underlying populations are normally distributed and both population variances are equal, the test statistic

​

\(\style{font-family:Times New Roman;}{\frac{{\overline X}_1-{\overline X}_2-\Delta_0}{S_p^2\sqrt{\frac1{n_1}+\frac1{n_2}}}}\)

​

follows a:



▸

standard normal distribution if both samples are large.



▸

Student’stdistribution with\(\style{font-family:Times New Roman;}{n-1}\)degrees of freedom.



▸

standard normal distribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.



▸

Student’stdistribution with\(\style{font-family:Times New Roman;}{n_1+n_2-2}\)degrees of freedom.

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
Read 35 times
1 Reply
Replies
Answer verified by a subject expert
billykrabillykra
wrote...
#1
Posts: 108
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

joshtatum92 Author
wrote...

A year ago
This helped my grade so much Perfect
TAT1238
wrote...

Yesterday
Good timing, thanks!
TAT1238
wrote...

2 hours ago
Thanks for your help!!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1254 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 30
  
 267
  
 204
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: Do you trust social media networks with protecting your privacy?