Stem-and-Leaf plot is a method of organizing numerical data in order of place value. The 'ones digit' and the 'tens digit and greater' of each data item is separated as leaves and stems respectively. The stem-and-leaf plot below shows the number of students enrolled in a dance class in the past 12 years.
Vaccination with live viruses may interfere with TST reactions. For persons scheduled to receive a TST, testing should be done as follows: Either on the same day as vaccination with live-virus vaccine or 4-6 weeks after the administration of the live-virus vaccine. At least one month after smallpox vaccination.
Wait 2 weeks after immunizations for Red Measles (Rubeola), Mumps, Polio (by mouth), and Yellow Fever vaccine. Wait 21 days after immunization for hepatitis B as long as you are not given the immunization for exposure to hepatitis B. Smallpox vaccination and did not develop complications.