× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
y
2
m
2
m
2
u
2
m
2
B
2
M
2
e
2
k
2
N
2
y
2
m
2
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
karan98agarwal karan98agarwal
wrote...
Go to Answer
Posts: 510
Rep: 1 0
6 years ago
An article in a professional journal reports the zscore for the study's sample mean was 1.4 . The authors also reported their sample mean was 97 with a sample size of 49 and the population mean was 102 . However, they did not give the population standard deviation. What was their population standard deviation?
 
  What will be an ideal response?

Question 2

If your critical value is 1.96 and your z-value is -2.44, do you reject the sample mean represents the underlying population or not?
 
  What will be an ideal response?
Read 64 times
3 Replies
Replies
Answer verified by a subject expert
sosobonsosobon
wrote...
#1
Top Poster
Posts: 582
Rep: 1 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...
#2
6 years ago
Wow! Thanks you for this correct set of answers, wasn't expecting it...
wrote...
#3
6 years ago
My pleasure!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  512 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 408
  
 271
  
 49
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 486
Previous poll results: Where do you get your textbooks?