Railways Technical Ability Production Engineering and Planning Question Bank Production Planning

  • question_answer Given
    T = underlying trend,
    C = cyclic variations within the trend
    S = seasonal variation within the trend and
    R = residual, remaining or random variation, as per the time series analysis of sales forecasting, the demand will be a function of

    A) T and C            

    B) R and S

    C) T, C and S                    

    D) T, C, S and R

    Correct Answer: D


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