Question

While working on an assignment, a curious DS 422 student observed that a geometric figure
emerges if (s)he plots the stationarity region in the φ1 − φ2 plane for a nonseasonal AR(2)
process with parameters φ1 and φ2. Which geometric figure did the student observe?
(A) Unit circle (i.e., a circle with radius 1, centered at the origin.)
(B) Square.
(C) Triangle.
(D) Trapezoid.
(E) None of the above.

Answer 1

Answer:

E) None of the above.

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Answer 2

Explanation:

intake of

Kidneys.

3. Mustard

used as spices and oil.

Iron is a

useful material.

5. Usually cotton is busty picked from the plants.

6. Lemon juice is soluble e in water

7. Proteins build

8. Tute is ccellinated in monsoon season.

a. We get food fromgeometric figure did the student observe?

(A) Unit circle (i.e., a circle with radius 1, centered at the origin.)

(B) Square.

(C) Triangle.

(D) Trapezoid.

(E) None of the ab

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10. Butter is a component of

material