In Non-Hierarchical Clustering,plotting the Ratio of Total Within-Group Variance to Between-Group

question 39

Multiple Choice

In non-hierarchical clustering,plotting the ratio of total within-group variance to between-group variance against the number of clusters is useful if you are ________.

• A) interpreting and profiling the clusters
• B) deciding on the number of clusters
• C) assessing the validity of clustering
• D) both B and C

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Definitions:

Pound/Dollar Market

A foreign exchange market where the British pound and the US dollar are traded, indicating the exchange rate between these two currencies.

Exchange Rate

The value of one currency for the purpose of conversion to another, impacting international trade and economics.

Freely Fluctuating Exchange Rates

Exchange rates that are determined by the open market forces of supply and demand without direct government intervention.

Currency Appreciation

An increase in the value of one currency relative to other currencies in the foreign exchange market.