Top Posters
Since Sunday
I
3
p
2
w
2
y
2
J
2
Q
2
r
2
o
2
e
2
j
2
d
2
T
2
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
tethead tethead
wrote...
Go to Answer
Posts: 1298
Rep: 6 0
7 years ago
If a psychologist tests whether there is any difference between how fast people work in the morning versus how fast they work in the evening, the null hypothesis is that
A) there is a difference in worker speed, but no prediction is made.
B) people who work at night work faster.
C) people who work in the morning work faster.
D) there is no difference in the speed at which people work.
Read 54 times
1 Reply
Replies
Answer verified by a subject expert
ErhardtErhardt
wrote...
#1
Top Poster
Posts: 838
Rep: 13 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

tethead Author
wrote...

7 years ago
This helped my grade so much Perfect
Shuqin
wrote...

Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
megan.xo
wrote...

2 hours ago
This site is awesome
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1708 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 315
  
 731
  
 200