× Didn't find what you were looking for? Ask a question
Recent Posts  •  Latest Topics  •  Unresolved Questions
  
  
Top Posters
Since Sunday
25
9
w
2
l
2
2
1
C
1
n
1
1
1
1
Home Q & A Board Other Fields Homework Help Business
New Topic  
jmedina05 jmedina05
wrote...
Go to Answer
Posts: 324
Rep: 0 0
3 years ago
State University recently randomly sampled seven 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
 
  A regression model with HOURS as the independent variable has an R-square equal to approximately .46.
   Indicate whether the statement is true or false

Q. 2

When a regression equation includes a term such as x1x2 where two independent variables are multiplied, this is an interaction term.
 
  Indicate whether the statement is true or false

Q. 3

Assume that we have found a regression equation of = 3.6 - 2.4x, and that the coefficient of determination is 0.72, then the correlation of x and y must be about 0.849.
 
  Indicate whether the statement is true or false

Q. 4

If one independent variable affects the relationship between a second independent variable and the dependent variable, it is said that there is interaction between the two independent variables.
 
  Indicate whether the statement is true or false

Q. 5

A seasonally unadjusted forecast is one that is made from seasonal data without any adjustment for the seasonal component in the time series.
 
  Indicate whether the statement is true or false

Q. 6

A complete polynomial model contains terms of all orders less than or equal to the pth order.
 
  Indicate whether the statement is true or false
Read 110 times
5 Replies
Replies
Answer verified by a subject expert
cvazque3cvazque3
wrote...
#1
Posts: 232
Rep: 1 0
3 years ago
Sign in or Sign up in seconds to unlock everything for free
Ans. #1

FALSE

Ans. #2

FALSE

Ans. #3

FALSE

Ans. #4

TRUE

Ans. #5

TRUE

Ans. #6

TRUE

Related Topics

wrote...
#2
6 months ago
Thank you
wrote...
#3
2 months ago
Thanks
wrote...
#4
2 months ago
TY Slight Smile
Post Merge: 2 months ago

ty
wrote...
#5
3 weeks ago
Thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  264 People Browsing
 591 Signed Up Today
Start New Topic Take the Tour Study Tips Topics TrendingNew Browse by Textbook
Related Images
 1826
 308
 135