Author:
Christine Farr

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

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