#### Week # 38 – Edge

An edge is a link between two people or entities in a network that can be

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#### Week #37 – Stratified Sampling

Stratified sampling is a method of random sampling.

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#### Week #36 – Conditional Probability

When probabilities are quoted without specification of the sample space, it could result in ambiguity when the sample space is not self-evident.

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#### Week #35 – Continuous vs. Discrete Distributions

A discrete distribution is one in which the data can only take on certain values, for example integers.  A continuous distribution is one in which data can take on any value within a specified range (which may be infinite).

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#### Week # 34 – Central Limit Theorem

The central limit theorem states that the sampling distribution of the mean approaches Normality as the sample size increases, regardless of the probability distribution of the population from which the sample is drawn.

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#### Week #33 – Classification and Regression Trees (CART)

Classification and regression trees (CART) are a set of techniques for classification and prediction.

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