(Solved): 1. The scale of measurement that has an inherent zero value defined is the a. ratio scale b. nomin ...

1. The scale of measurement that has an inherent zero value defined is the a. ratio scale b. nominal scale c. ordinal scale d. interval scale 2. Quantitative data a. are always nonnumeric b. may be either numeric or nonnumeric c. are always numeric d. None of these alternatives is correct. 3. One hundred students from a large university were asked about their opinion on the new health care program. The 100 represents a. a sample b. a population c. statistical inference d. Data and Statistics 4. In a random sample of 200 items, 5 items were defective. An estimate of the percentage of defective items in the population is a. \( 5.0 \% \) b. \( 2.5 \% \) c. 200 d. \( 10.0 \% \) 5. Five hundred recent graduates indicated their majors as follows. 7. Which of the following symbols represents the standard deviation of the population? a. \( \sigma^{2} \) b. \( \sigma \) c. \( \mu \) d. \( \bar{x} \) 8. If the coefficient of variation is \( 40 \% \) and the mean is 70 , then the variance is a. 28 b. 2800 c. \( 1.75 \) d. 784 Exhibit 3-2 A researcher has collected the following sample data \( \begin{array}{lllll}5 & 12 & 6 & 8 & 5 \\ 6 & 7 & 5 & 12 & 4\end{array} \) 9. Refer to Exhibit 3-2. The median is a. 5 b. 6 c. 7 d. 8 10. Refer to Exhibit 3-2. The mode is a. 5 b. 6 c. 7 d. 8 11. Refer to Exhibit 3-2. The mean is a. 5 b. 6 c. 7 d. 8 Exhibit 3-3 A researcher has collected the following sample data. The mean of the sample is 5 . \( \begin{array}{lllll}3 & 5 & 12 & 3 & 2\end{array} \) 12. Refer to Exhibit 3-3. The variance is a. 80 b. \( 4.062 \) c. \( 13.2 \) d. \( 16.5 \) 13. Refer to Exhibit 3-3. The standard deviation is a. \( 8.944 \) b. \( 4.062 \) c. \( 13.2 \) d. \( 16.5 \) 14. Refer to Exhibit 3-3. The coefficient of variation is a. \( 72.66 \% \) b. \( 81.24 \% \) c. \( 264 \% \) d. \( 330 \% \) 15. Refer to Exhibit 3-3. The range is a. 1 b. 2 c. 10 d. 12 16. For the following frequency distribution (assume the data represent a population), a. Compute the mean. b. Compute the standard deviation. Bonus An experiment consists of throwing two six-sided dice and observing the number of spots on the upper faces. Determine the probability that a. the sum of the spots is 3. b. each die shows four or more spots. c. the sum of the spots is not 3 . d. neither a one nor a six appear on each die. e. a pair of sixes appear. f. the sum of the spots is 7 .