In first-order exponential smoothing with λ = 0.3 the weight given to the observation that at time period t  – 1 at the end of the current period t is 0.21.

The forecasting procedure for the IMA (1, 1) model is equivalent to first-order exponential smoothing. 

The Durbin-Watson test is a reasonable procedure to apply to cross-section regression data.

What is the optimal weight k* that would be used to form a linear combination of the two individual forecasts that minimizes the variance of forecast errors?

The supply chain begins with:

The use of unconventional, innovative, and low-cost marketing techniques designed to get consumers’ attention in unusual ways is called _____.

A friend of yours knows that you are taking pharmacology this semester. They call you up and tell you that they have a lot of sinus pressure, pain, and congestion. They want to know what drug would help with those symptoms. Which of the following medications would be appropriate to recommend?

When two or more aircraft are approaching an airport for the purpose of landing, the right-of-way belongs to the aircraft

Use the graph to answer the question.Find the domain and range of the rational function graphed below.

EXTRA CREDIT QUESTION: Should antibiotics be used to treat a cold? Antibiotics and the cold.png