Prediction of Students' Ability to Difficulty Level of Problem Based on Linear Method

Knowing the ability of students is something that important to formulate exam questions correctly, namely with appropriate level difficulty. However, in general, are prepared assumption students' abilities same, so results obtained do not reflect actual students. This study focuses on predicting grade 6 mathematics. The data was from 400 8 materials done by 23 Students' categories grouped into 3, high ability, medium and low ability. difficulty difficult questions, easy based assessments 5 different class teachers. Our research uses linear regression method successfully shows there a close relationship between questions. contributed 63% abilities. standard error 0.04905 means model right determining