7. What is the mode for the following set of numbers? 15, 18, 13, 19, 25, 24, 26, 14, 25, 35, 12, 99, 54, 13, 22, 19 and 13 A. 19 B. 26 C. 24 D. 13
8. A range can best be described as which of the following? A. The central tendency of values between data points B. The difference between the maximum value and the minimum value in a data set C. A tool used to measure the difference of a data set based on the middle 50 percent D. The only measure of variability appropriate for ratio data
9. In positively skewed distributions, the mean is usually which of the following? A. Larger than the median B. Between the median and the mode C. Smaller than the median D. Equal to the median forward
10. What type of regression model does the following equation suggest? y = a + b1x1 A. Multiple factor regression B. Nonlinear regression C. Bivariate regression D. Curvilinear regression
The Test Your Knowledge questions are intended to provide a small sample of the information covered in a particular course. Passing this test should not be considered an indicator that you also will pass the related certification exam.No portion of this document may be reproduced in any form without express written permission from WorldatWork. Copyright 2005 WorldatWork.
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