A radio transmission tower is 250 feet tall. How long should a guy wire be if it is to be attached 11 feet from the top and is to make an angle of 35° with the ground? Give your answer to the nearest tenth of a foot.

Suppose we are forecasting weekly sales for a specific item, item X. Assuming the amount of information is available across stores, which of the following forecasts for item X would you expect to have the lowest mean absolute percentage error (MAPE)?

In the two graphs below (left and right), blue lines are sales and red lines are forecast. Which forecast has a relatively smaller smoothing constant α?

When applying simple exponential smoothing, simple moving average, or weighted moving average methods, we assume that no trend is present. If a clear trend exists, these models are likely to produce underestimates or overestimates.

Which of the following statements is incorrect: Demand volatility decreases as you move from downstream to upstream in the supply chain. Forecasting models are often the starting point for demand planning in Sales & Operations Planning We can detect outliers by comparing the size of a forecast error to the standard deviation of forecast errors

Explain your choice in question 5 above in just a few words.

The following table shows actual sales and two forecasts for the past 2 periods. Compare the forecast errors between Forecast 1 and Forecast 2, which forecast has a larger variance?

With improved machinery and production practices, farmers can now use less energy in production. How this may affect the market equilibrium for agricultural products?​

Below scenario illustrates a principle of economics. Classify the scenario according to the principle that best fits it. “Ava finds that there is not enough time after work to have dinner, exercise, and watch TV, and she must make choices about how to use her limited time.”

If a 10% decrease in the price of a product causes the quantity demanded to rise by 20%, the demand is