THE CORRELATION BETWEEN GRAMMAR MASTERY AND WRITING SKILL OF THE EIGHTH- GRADE STUDENTS OF SMP N 4 MENGWI IN THE ACADEMIC YEAR 2024/2025

The present study which made use of an ex-post facto research with correlation design was intended to figure out the significant correlation between grammar mastery and writing skill of the eighth-grade students of SMP N 4 Mengwi in the academic year 2024/2025. The samples of the research consisted of 63 students which were chosen by means of cluster sampling method with lottery system. The data were collected through administering the research instruments which were in the form of sentence construction test and paragraph construction task. The obtained data were statistically analysed by using Normality Test, Homogeneity Test, Pearson product moment correlation and T-test. Then the result a normality and homogeneity test showed that the data were distributed normally and homogeneous or have same variance. The results of the data analysis clearly revealed the alternative hypothesis was accepted. In other words, the research findings confirmed that there is significant correlation between grammar mastery and writing skill of the eighth-grade students of SMP N 4 Mengwi in the academic year 2024/2025.