9. The histogram: a. . is skewed right. b. has an outlier. c. is asymmetric. d. All of the answers are correct. 10.Which of the following is true regarding the mean and median?

1. The mean and median are approximately equal
2. The mean is much larger than the median.
3. The mean is much smaller than the median.
4. It is impossible to compare the mean and median for these data.

11. The five-number summary of a set of data is:

3. a. the minimum, first quartile, median, third quartile, and maximum. b. any five single-digit numbers that are measures of center and spread. c. any five-digit number that describes the data. d. the mean, median, mode, variance, and standard deviation.

12. Which summary would be better to give for this data, the five-number summary, or the mean and standard deviation?

1. They are both equally suitable.
2. The five-number summary.
3. The mean and standard deviation.
4. Neither is adequate.

13. For an extremely positively skewed distribution of scores the best measure of central tendency would be: a. the mode b. the median c. the mean d. central tendency cannot be measured for an extremely skewed distribution

Use the following graph to answer questions 9-13: In a Business Statistics class with 136 students, the professor records how much money in dollars) each student has in their possession during the first class of the semester. The histogram below is of the data collected. 60 50 1 40 1 Frequency 30 1 1 20 1 10 T 0 - 0 10 20 30 40 50 60 Amount of Money 100