Training and Validation PartitionsA spreadsheet contains 1,0…

Trаining аnd Vаlidatiоn PartitiоnsA spreadsheet cоntains 1,000 historical customer records. A predictive model is developed using 700 records and then tested on the remaining 300 records. What is the main purpose of using the remaining 300 records?Source: Adapted from the textbook's Chapter 3 discussion of training and validation partitions.