Question: 1. The polynomial trend model that allows for two changes in the direction of a series is called ______? a. linear trend model b. cubic

1. The polynomial trend model that allows for two changes in the direction of a series is called ______?

a. linear trend model

b. cubic trend model

c. exponential trend model

d. quadratic trend model

2. Mary is determining the maximum quantity given the seasonality is constant. If the coefficients are 112t and 23.4502t² in a quadratic model, what is the maximum quantity that can be reached?

a. 135

b. 1,313

c. 2,626

d. 4,780

3. Which rule is being followed when summing P(A) and P(B) then subtracting P(AB) from the sum?

a. joint probability

b. complement

c. multiplication

d. addition

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