QNT/561 Final Exam

QNT/561 Final Exam 1) Which of the following measures of central location is affected most by extreme values? A. Mean B. Median C. Mode D. Geometric mean 2) Which level of measurement is required for the median? A. Nominal B. Ordinal C. Interval D. Ratio 3) Which level of measurement is required for the mode? A. Nominal B. Ordinal C. Interval D. Ratio 4) In a set of observations, which measure of central tendency reports the value that occurs most often? A. Mean B. Median C. Mode D. Geometric mean 5) The weighted mean is a special case of what? A. Mean B. Median C. Mode D. Geometric mean 6) A sample of 5 companies were examined for changes in their relative market share. The results showed the following increases & decreases: –5, 10, 10, 5, –10. A. 8 B. 2 C. -2 D. 6 7) The difference between the sample mean & the population mean is called the A. margin of error B. population standard deviation