7. Create a data set of 10 different numbers, so that the mean of the set is 23 and the median is 19. 8. Without computing any measure of variation, rank the following sets of data from the one that likely has the lowest standard deviation to the one that has the highest standard deviation. A = { 40, 50, 50, 50, 50, 50, 60 } B = {20, 25, 30, 50, 70, 75, 80 } C = {45, 50, 50, 50, 50, 50, 55 } Lowest variation: Medium variation: Highest variation: 9. The following two frequency tables show the distribution of scores on a standardized test. The mean for both sets of data is 100. Score 80 85 90 95 100 105 110 115 120 Table 1 Frequency 2 4 6 8 10 8 6 4 2 Score 80 85 90 95 100 105 110 115 120 Table 2 Frequency 10 8 6 4 2 4 6 8 10 Which set of data will have the larger standard deviation? Explain your reasoning