+
IN MULTIPLE REGRESSION THERE IS MORE THAN ONE INDEPENDENT VARIABLE..

IN MULTIPLE REGRESSION THERE IS MORE THAN ONE INDEPENDENT VARIABLE..

Rating:
Rating
(0)
Author: Christine Farr
Description:

http://theperfecthomework.com/in-multiple-regression-there-is-more-than-one-independent-variable-1/

QUESTION 1
 
 In multiple regression there is more than one independent variable.
 True
 False

1 points   
QUESTION 2
In multiple regression there is more than one dependent variable.
 True
 False

1 points   
QUESTION 3
In multiple regression multicolinearity is a potential problem.
 True
 False

1 points   
QUESTION 4
In multiple regression the value of R square increases when adding another independent variable.
 True
 False

1 points   
QUESTION 5
When the confidence coefficient is .75, alpha is 

1 points   
QUESTION 6
A 2009 sample of New York hotel room prices had an average of $273.  Assume this was from a sample of 48 hotels.  Assume also that the known standard deviation for the room rates is $72.  Construct a 99% confidence interval and report the lower bound for the interval.  (Answer to one decimal place and do not include a $ sign).

1 points   
QUESTION 7
A 2009 sample of New York hotel room prices had an average of $273.  Assume this was from a sample of 48 hotels.  Assume that the known standard deviation is $72.  Construct a 99% confidence interval and report the upper bound for the interval.  Your number should be larger than for the previous problem.  (Answer to one decimal place and do not include a $ sign).

1 points   
QUESTION 8
If there are 39 observations then how many degrees of freedom are there for the t distribution (for a sample mean)?

1 points   
QUESTION 9
Given a specified level of significance the absolute value of the critical value will be smaller for a one-tailed test than for a two-tailed test.
 True
 False

1 points   
QUESTION 10
The p-value is
1 minus the power of a test.

the exact or observed level of significance.

the probability of a Type II error.

the same as the critical value.

1 points   

(more)
See More
Try a College Course Free

Sophia’s self-paced online courses are a great way to save time and money as you earn credits eligible for transfer to over 2,000 colleges and universities.*

Begin Free Trial
No credit card required

25 Sophia partners guarantee credit transfer.

221 Institutions have accepted or given pre-approval for credit transfer.

* The American Council on Education's College Credit Recommendation Service (ACE Credit®) has evaluated and recommended college credit for 20 of Sophia’s online courses. More than 2,000 colleges and universities consider ACE CREDIT recommendations in determining the applicability to their course and degree programs.

Tutorial