× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
14
o
6
6
G
3
c
3
q
3
m
3
j
3
s
2
b
2
j
2
u
2
New Topic  
k123p k123p
wrote...
Posts: 783
Rep: 0 0
6 years ago
A Wilcoxon rank sum test for comparing two populations involves two independent samples of sizes 15 and 20 . The un-standardized test statistic (that is the rank sum) is W = 210 . The value of the standardized test statistic (that is, the value of z-approximation test statistic) is:
 a. 14.
  b. 10.5.
  c. 6.
  d. -1.4.
  e. -8.
Read 78 times
1 Reply

Related Topics

Replies
wrote...
6 years ago
D
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1067 People Browsing
Related Images
  
 485
  
 6099
  
 608
Your Opinion
Who will win the 2024 president election?
Votes: 10
Closes: November 4

Previous poll results: Do you believe in global warming?