× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
o
5
4
m
4
b
4
x
4
a
4
l
4
t
4
S
4
m
3
s
3
New Topic  
Jasminekhan Jasminekhan
wrote...
Posts: 315
Rep: 0 0
6 years ago
State University recently randomly sampled ten students and analyzed grade point average (GPA) and number of hours worked off-campus per week. The following data were observed:
 
  GPA HOURS
  3.14 25
  2.75 30
  3.68 11
  3.22 18
  2.45 22
  2.80 40
  3.00 15
  2.23 29
  3.14 10
  2.90 0
 
  The correlation between these two variables is approximately -.461
   Indicate whether the statement is true or false

Q. 2

In conducting a test of independence for a contingency table that has 4 rows and 3 columns, the number of degrees of freedom is 11.
 
  Indicate whether the statement is true or false

Q. 3

An annual time series cannot exhibit a seasonal component.
 
  Indicate whether the statement is true or false

Q. 4

When the variables of interest are both categorical and the decision maker is interested in determining whether a relationship exists between the two, a statistical technique known as contingency analysis is useful.
 
  Indicate whether the statement is true or false

Q. 5

A model is a representation of an actual system.
 
  Indicate whether the statement is true or false
Read 252 times
2 Replies
Replies
Answer verified by a subject expert
StudentWarriorStudentWarrior
wrote...
Posts: 219
Rep: 0 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

wrote...
3 years ago
thanks
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  913 People Browsing
 103 Signed Up Today
Related Images
  
 159
  
 2468
  
 77
Your Opinion
Where do you get your textbooks?
Votes: 284

Previous poll results: How often do you eat-out per week?