The primary reason for adopting a set of coding standards is to make it easier for developers to copy each other's code

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.

In the close of a message that is refusing a request, which of the following would be most positive and promote goodwill?

A) Proposing a solution B) Creating options for future business C) Focusing on benefits D) Focusing on a meaningful apology E) Proposing an alternative