Judgment methods may be the only practical way to make a forecast when a. there is a great deal of historical product data. b. there is no historical data due to a new product introduction. c. quantitative models have been performing particularly well in recent periods. d. the forecast made in the previous period had a mape of less than 10%.

B. there is no historical data due to a new product introduction.

Explanation:

Forecasting -

It is the process of predicting the future depending on the present and the past data via analyzing the trends of the data .

The judgement method is only practical for making a forecast , when the there is no data in the past , and hence , nothing can be predicted or assumed from the past .

Hence , from the question , the correct statement is  B. there is no historical data due to a new product introduction .