The correlation between sentences mastery and writing paragraph mastery at The XI Grade SMA N 1 Siabu Mandailing Natal

This research was focused on the correlation between sentences mastery and writing paragraph mastery at the XI grade students of SMA N 1 Siabu Mandailing Natal. The problem of the students in this research were: 1) Students found difficulties to arrange a paragraph because the students did not know what to do as the first step, 2) Most of students got confused to analyze words because of the difference at pronouncing and the written, 3) and the last was the classic problem as the beginner English learners were low in vocabularies. The purpose of this research was to know of how significant the correlation between sentences mastery and writing paragraph mastery at the XI grade students of SMA N 1 Siabu Mandailing Natal. This research had three formulations of the problem, they were how is the ability of the XI grade students of SMA N 1 Siabu Mandailing Natal in mastering sentences? how is the ability of the XI grade students of SMA N 1 Siabu Mandailing Natal in mastering writing paragraph? and is there a positive correlation between sentences mastery and writing paragraph mastery of the XI grade students of SMA N 1 Siabu Mandailing Natal? The purposes of this research were to find out the ability of sentences mastery at the grade XI students of SMA N 1 Siabu Mandailing Natal, to find out the ability of writing paragraph mastery at the grade XI students of SMA N 1 Siabu Mandailing Natal, and to find out whether there is a significant correlation between students sentences mastery and paragraph mastery at the grade XI students of SMA N 1 Siabu Mandailing Natal. The kind of this research was quantitative research with correlational type. 15 students were gotten by Slovin formula and chosen randomly from 2 classes as the sample. This research used lottery as the way to take sample. The sample were 11 students from IPS 2, 4 students from XI IPS 3. It was a situation that all the name of students are written on a piece of paper and put into a box, then a piece of the pieces paper was taken out from the box to get the name. The name had been taken surely put into the box again to keep the chance for each piece, it also can be taken again. To analyze the data, this research used Product Moment formula. After analyzing the data, this research got that the mean score of variable X was 63.70 and the mean score of variable Y was 62.80. Besides, the score of rxy was more than rtable 0.707 > 0,456. The result showed that there was significant correlation between two variables. It means the hypothesis (Ha) was accepted and (Ho) was rejected. It was concluded that there was significant correlation between sentences mastery and writing paragraph mastery at the XI grade students of SMA N 1 Siabu Mandailing Natal in good category