Which of the following is not a procedure to check the quality of clustering results?
A) Perform cluster analysis on the same data using different distance measures. Compare the results across measures to determine the stability of the solutions.
B) Delete variables randomly. Perform clustering based on the reduced set of variables. Compare the results with those obtained by clustering based on the entire set of variables.
C) Use the same method of clustering and compare the results.
D) Split the data randomly into halves. Perform clustering separately on each half. Compare cluster centroids across the two subsamples.
C
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Briefly explain the use of statistical methods to separate mixed cost components
Which of the following is NOT part of the definition of what is needed for work group effectiveness?
A. The output of the group must meet the quantity, quality, and timeliness standards of the organization. B. The processes employed by the group should enhance the ability of the group members to work together. C. The group experience should contribute to the growth and personal well-being of the group members. D. The group’s work must expand beyond the boundaries of the organization.
The goal of the ________ problem is to maximize the amount of flow of items from an origin to a destination
Fill in the blank with correct word.
In the context of managed-care insurance plans, which of the following statements is true about a health maintenance organization (HMO)?
A. It combines the features of point-of-service (POS) plans and preferred provider organizations (PPOs). B. It provides lower deductibles and copayments for in-network care than for out-of-network care. C. It virtually covers all services except preventive care. D. It provides lower out-of-pocket costs than does a preferred provider organization (PPO).