Hi,

JAM 2019 will be conducted on February 10, 2019. Preparing for JAM Mathematics can be a little overwhelming given the vast syllabus to be completed within a small amount of time. Preparation for JAM 2019 can be made simple with a few steps which, if followed correctly, will give you the result that you expect. To begin with, you must know the syllabus to be covered. Knowing the complete syllabus will ensure that you don't waste time revising topics not included. Secondly, set a time table and include all the topics. Eat healthy, exercise and take proper rest.  For detials on how to prepare for JAM mathematics, visit the link below:

https://university.careers360.com/articles/how-prepare-jam-mathematics

The Mathematical Statistics test paper of IIT JAM comprises of Mathematics (40% weightage) and Statistics (60% weightage). Make a proper preparation strategy and give time to each subject according to their difficulty level and weightage of marks.

FOR STATISTICS -:

Fundamentals of Mathematical statistics: S.C. Gupta & V.K. Kapoor
An introduction to probability and statistics: V.K. Rohatgi

FOR MATHEMATICS-:

Mathematical Analysis -S.C.Malik
Principle of Mathematical Analysis - Rudi

By practicing mock test, you will get an idea about how much time you need to provide a single question. And by solving previous year you will know about which type of questions would be come in exam.
Revision is must, the revision should be done regular basis in that try to take your test and randomly select the questions for the topics you have prepared on that day. You can also refer below given link for the updated information.

https://university.careers360.com/articles/how-prepare-for-jam

Good Luck!