(Solved): Which time-series model is used for measuring seasonal variation? Naive method Simple moving avera ...

Which time-series model is used for measuring seasonal variation? Naive method Simple moving average Exponential moving average Weighted moving average Using the historical data below, determine the forecast for May using a 4-month moving average? \( 25.21 \) \( 41.25 \) \( 52.14 \) \( 12.52 \) Which type of forecast horizon would be best if you are making cost projections to expand the factory building? Long-term forecast Short-term forecast medium-term forecast All of 3 types would be correct Time and motions studies are tools used by which management theory? Scientific management theory Contingency theory Total quality management theory Systems management theory