× Didn't find what you were looking for? Ask a question
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
New Topic  
clcharleston clcharleston
wrote...
Go to Answer
Posts: 835
Rep: 0 0
6 years ago
Independent random samples of the scores of 10 daily quizzes from day students and 15 quizzes from evening students were gathered. It was decided to use the Mann-Whitney-Wilcoxon test to determine if there is a significant difference between the populations of scores for the two groups of students.
 a. Provide the hypotheses for this test.
  b. Compute the mean W.
  c. Compute the standard deviation W.
  d. The sum of the ranks for the day students was determined to be 184.5 . Compute the test statistic z.
  e. Use  = .05 and test to determine if there is a significant difference in the populations of the scores of the two groups.
Read 47 times
1 Reply
Replies
Answer verified by a subject expert
GavaaconGavaacon
wrote...
#1
Top Poster
Posts: 1140
Rep: 2 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

clcharleston Author
wrote...

6 years ago
Thank you, thank you, thank you!
54321abs
wrote...

Yesterday
Just got PERFECT on my quiz
dedricgard
wrote...

2 hours ago
Helped a lot
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1156 People Browsing
 107 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1823
  
 178
  
 300
Your Opinion
Who will win the 2024 president election?
Votes: 3
Closes: November 4
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?