# QNT561 Complete Course+Final Exam - 35936

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1) Which of the following measures of central location is affected most by extreme values?

2) Which level of measurement is required for the median?

3) Which level of measurement is required for the mode?

4) In a set of observations, which measure of central tendency reports the value that occurs most often?

5) The weighted mean is a special case of what?

1. In a multiple regression equation there
A. Are two or more independent variables
B. Is only one dependent variable
C. Is one intercept value
D. All of the above

2. A dummy variable or indicator variable
A. May assume only a value of 0 or 1
B. Is another term for the dependent variable
C. Is found by (Y – ?)
D. Is equal to ?

3. The multiple standard error of estimate is
A. Is based on the (Y – ?)2
B. Is negative when one of the net regression coefficients is 0
C. Is found by taking the square root of SSR/SS total
D. All of the above

4. In the ANOVA table the value of k is
A. The number of independent variables
B. The total number of observations
C. The number of degrees of freedom
D. The sum of squares total

5. A correlation matrix
A. Shows all simple coefficients of correlation
B. Shows all possible net regression coefficients
C. Shows the correlations that are positive
D. Reports the multiple regression equation

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