Single linkage is a measure of calculating dissimilarity between clusters by

a. considering the distance between the cluster centroids.
b. considering only the two most similar observations in the two clusters.
c. computing the average dissimilarity between every pair of observations between the two clusters.
d. considering only the two most dissimilar observations in the two clusters

Acrosswalk_when there are no pavement markings.

In north korea, a farmer’s income is the same as a dentist’s income. in a country with a mixed or market economy, the difference between those two professions might be more than 5 times different. how can you explain the fact that individuals doing the same work in different countries do not earn comparable salaries?

Statistical process control charts: a. indicate to the operator the true quality of material leaving the process. b. display upper and lower limits for process variables or attributes and signal when a process is no longer in control. c. indicate to the process operator the average outgoing quality of each lot. d. display the measurements on every item being produced. e. are a graphic way of classifying problems by their level of importance, often referred to as the 80-20 rule.