MATH 309 - Statistics Portfolio Project - Weekly Case Study 4 This Weekly Case Study is worth 4% of your overall grade Outcomes Completing this Assessment will help you to: Organize data for analysis in the form of graphs, tables, and frequency distributions. Calculate statistical data for measures of central tendency and dispersion. Investigate dispersion through normal distributions using range, mean, standard deviation, and z- scores. Measure location, variation, probabilities, distributions, and expectations. [Adapted from \"Real Statistics - Real Decisions\