2 1 Stem a 78 Student grades on a chemistry exam were 77 78 76 81 86 51 79 82 84 and 99 a Construct a stem and leaf plot of the data b Are there any potential outliers If so which scores are they Why do you consider them outliers 79 Table 2 64 contains the 2010 rates for a specific disease in U S states and Washington DC State Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware Washington DC Florida Georgia Hawaii Idaho Illinois Indiana lowa Kansas Table 2 64 Percent 32 2 24 5 24 3 30 1 24 0 21 0 22 5 28 0 22 2 26 6 29 6 22 7 26 5 28 2 29 6 28 4 29 4 State Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina Percent 31 3 31 0 26 8 27 1 23 0 30 9 24 8 34 0 30 5 23 0 26 9 22 4 25 0 A 23 8 25 1 23 9 27 8 State North Dakota Ohio Oklahoma Orego Pennsylvania Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Percent 27 2 29 2 30 4 26 8 28 6 25 5 31 5 27 3 30 8 31 0 22 5 23 2 26 0 25 5 32 5 26 3 25 1 a Use a random number generator to randomly pick eight states Construct a bar graph of the rates of a jght staten