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

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Author: Christine Farr
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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)
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