After a lull of over a year, welcome back! Our journey continues on WwN…

“We dance round in a ring and suppose,
But the Secret sits in the middle and knows.”
Social scientists and social change practitioners have found the normal bell-shaped curve to be of immense value when making inferences about population parameters from sample statistics. By paying attention to the mean values and standard deviations in a normal distribution with a representative sample, one can predict — with a high degree of confidence — the odds in favor of, or stacked against, solving a problem (see Figure 1).



