Forecasting - Inventory

Which of the following is the least useful sales forecasting model to use when sales are increasing?
Select one:

Trend adjusted exponential smoothing
Weighted moving average
Naïve
Exponential smoothing ?
Simple mean x
Which of the following forecasting methods is most likely to be implemented to change an existing quantitative forecast to account for a new competitor in the marketplace?
Select one:

Gamma method
Executive opinion
Market research
Naïve method
Delphi method
In looking at seasonal indexes one weakness to watch for is
Select one:

use of the wrong alpha seasonality is not present significant increase in computational requirements incorrect selection of weights a clear lack of linear relationship
Which of the following forecasting methods is specifically designed to go through several rounds of modification before generating a final forecast?
Select one:

Delphi method
Executive opinion
Gamma method
Naïve method
Exponential smoothing Over the long term, which of the following forecasting models will likely require carrying the least amount of data?
Select one:

Exponential smoothing
Weighted moving average
Simple mean
Moving average
Naïve
16. A causal research model is based on the assumption that
Select one:

there is a relationship between the time series and the dependent variable the independent variable is related to the dependent variable the variable being forecast is related to other variables in the environment there is a relationship between the time series and the independent variable e) the information is contained in a time series of data
Which forecasting method is particularly good for determining customer preferences?
Select one:

Market research
Delphi method
Gamma method
Executive opinion
Naïve method
Which of the following is a causal forecasting method?
Select one:

Moving average
Trend adjusted exponential smoothing
Weighted moving average
Linear regression