การเปรียบเทียบจำนวนนักเรียนในระดับชั้นประถมศึกษา ด้วยวิธีคาดคะเนที่ต่างกัน / ธีราพร ชัยอรุณดีกุล = A comparison of elementray student enrollment estimated by different methods / Teraporn Chaiaroondekul
The major purpose of this research was to compare the elementary student enrollment estimated by grade cohort method, enrollment ratio method and the least squares method from 1971-1977 with the actual elementary student by means of the X2-test of goodness of fit. It was found that there was no significant difference between the distributions of elementary student enrollment estimated by enrollment ratio method and the actual elementary student enrollment from 1971-1977. thus, the best estimation method was the enrollment ratio method.