Answer:
The proper answer is explained below.
Step-by-step explanation:
To begin with, the statiscal hypothesis testing is considered to be a method of statistical inference in where the purpose is on the basis of observed data modeled as the realised values taken by a collection of random variables. This method is used by the companies in order to facilitate the decision making process so that the managers have more quality info closer to the hand when it comes to making a hard and important decision.
So to complete the process of testing hypotheses and comparing the results so that the forecasting is better then the managers will have to use this method and other ones and also to use programs and special systems so that the proper contrasting will take place according with the situation and all.