Which of the Following Is a Valid Approach to Clustering

question 61

Multiple Choice

Which of the following is a valid approach to clustering? 1-"Top-down" hierarchical clustering 2-"Top-down" nonhierarchical clustering 3-Piecewise linear clustering 4-"Bottom-up" nonhierarchical clustering

• A)1
• B)2
• C)3
• D)4
• E)2, 3, and 4

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Definitions:

Alternative Hypothesis

The hypothesis that there is a significant difference or effect, contrasting with the null hypothesis and indicating the presence of an observed effect.

Type II Error

A statistical mistake where a false null hypothesis is not rejected, meaning the test fails to observe a difference when in truth there is one.

Population Mean

The average value of a characteristic in a population, calculated by summing all the values and dividing by the number of values.

Significance Level

The probability of rejecting the null hypothesis when it is actually true; a measure of the threshold for the likelihood of a Type I error.