Refer to the exhibit. You are using K-means clustering to classify customer behavior for a large retailer. You need to determine the optimum number of customer groups. You plot the…

The correct answer is C. 4. See the full explanation below for the reasoning.

Question

Refer to the exhibit. You are using K-means clustering to classify customer behavior for a large retailer. You need to determine the optimum number of customer groups. You plot the within-sum-of-squares (wss) data as shown in the exhibit. How many customer groups should you specify?

Exhibit

Options

How the community answered

(30 responses)

A
7% (2)
B
3% (1)
C
80% (24)
D
10% (3)

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