What is person who studies stats called?

Is median always sometimes or never in a data set? What is range data? How do i use XY Line graph in Ireport? What is the difference between a fib and a lie? Which of the following percentages represents the high availability? What is 1.50 percent of 300000? What type of curve does logistic growth exhibit on a graph? How long will it take before the bleeding starts when you have an STD? When do you use a histogram? Do you have a sample letter that goes with form I-601? What does a RDW count of 14.7 mean? Fran's percentile rank on an exam in a class of 500 is 85 Kelly's class rank is 60 Who is ranked higher? How much percent increase is 75 to 150? What is the most amount of money made in one year? What is a good portfolio evidence? What is the level of measurement for family history of illness in statistics? What does a negative t statistic mean? Is the Likert scale an interval measurement? A fair coin is tossed 3 times what is the probability it will land on heads all 3 tosses? What does it mean if you have the same birthday as someone else?