Question: In this book we develop two different languages for describing data generation processes. The first uses the box model metaphor, whereas the second employs formal

In this book we develop two different languages for describing data generation processes. The first uses the box model metaphor, whereas the second employs formal mathematical symbols. What box model concepts correspond to each of these formal mathematical symbols, statements, and equations?

a. εi

b. σ

c. E(εi ) = 0, i = 1, . . . , n

d. SD(εi ) = σ, i = 1, . . . , n

e. εi is distributed independently of ε j , ∀i, j, i = j.

f. yi = μ + εi , i = 1, . . . , n.

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