QNT561; TEST BANK FOR FINAL EXAM (NEW) 400 QUESTIONS & ANSWERS (all correct 2022) A Rated.

1. The expected value of the a probability distribution A. Is the same as the random variable B. Is another term for the mean C. Is also called the variance D. Cannot be greater than 1 2. Which of the following is a correct statement about a probability? A. It may range from 0 to 1 B. It may assume negative values C. It may be greater than 1 D. It cannot be reported to more than 1 decimal place 3. An experiment is a A. Collection of events B. Collection of outcomes C. Always greater than 1 D. The act of taking a measurement or the observation of some activity 4. Which level of measurement is required for the median? A. Nominal B. Ordinal C. Interval D. Ratio 5. Which level of measurement is required for the mode? A. Nominal B. Ordinal C. Interval D. Ratio 6. 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 QNT 561 TEST BANK (NEW) S - The Marketplace to Buy and Sell your Study Material 7. The weighted mean is a special case of the A. Mean B. Median C. Mode D. Geometric mean 8. The relationship between the geometric mean and the arithmetic mean is A. They will always be the same B. The geometric mean will always be larger C. The geometric mean will be equal to or less than the mean D. The mean will always be larger than the geometric mean 9. Suppose you compare the mean of raw data and the mean of the same raw data grouped into a frequency distribution. These two means will be A. Exactly equal B. The same as the median C. The same as the geometric mean D. Approximately equal 10. In a set of 10 observations the mean is 20 and the median is 15. There are 2 values that are 6, and all other values are different. What is the mode? A. 15 B. 20 C. 6 D. None of the above 11. Which of the measures of central tendency is the largest in a positively skewed distribution? A. Mean B. Median C. Mode D. Cannot tell from