- IB
- AHL 4.14—Properties of discrete and continuous random variables
Question Type 1: Finding the standard deviation of grouped data with frequency table
Question Type 2: Finding the standard deviation of a discrete random variable
Question Type 3: Finding the probability for a given PDF
Question Type 4: Finding the median for a given PDF
Question Type 5: Finding the mode for a given PDF
Question Type 6: Finding the expected value for a given continuous distribution and PDF
Question Type 7: Finding the variance for a given continuous distribution and PDF
Question Type 8: For given values of either summary statistic, finding another corresponding value using properties