What are the Halo Effect and the Horn Effect-How do they affect our interpretation of things?

Part one 1.Suppose you have two datasets with the following summary statistics: Dataset A: mean = 10, variance = 25 Dataset B: mean = 15, variance = 36 Which dataset has more variability, and why? Show your calculations. Calculate the sample variance of the following data: 5, 8, 10, 12, 15. Show your work and […]

What year did the world population start to suddenly increase?-What do you think might be the cause for this?

Part 1 – Population Explosion1. Look at the U.S. Census Bureau’s World Population Clock gives an up to the second estimate of the world population. By how much does the population grow in 1 minute? How many people is that per second? Per week?2. Using the U.S. Census Bureau’s State and County Quick Facts, find […]