Time management is very much important in IIT JAM. The eduncle test series for IIT JAM Mathematical Statistics helped me a lot in this portion. I am very thankful to the test series I bought from eduncle.
Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Priya sindhu
Demand forecasting - is a process of estimating future outcomes it can be done in two ways quantitative and qualitative methods .(1) quantitative methods - its is done by using data and numerical figures collected in the past and using theses to estimate future outcome eg: time series analysis, sampling, regression ect, (2) qualitative methods are factual and opinions based data no numerical data is involved in this ,it totally based on expert opinions and collecting non numerical data eg : survey, experts opinions method, polls ect.