A symbol used in data analysis n instead of learners
X instead of mean (Arithmetic Mean)
S.D. Instead, standard deviation (Standard Deviation)
E1 instead, scores of students from the test in the lesson
E2 instead, scores of students from a posttest when learning program
lesson on reading for main ideas in English, E.I
Instead of effectiveness
การแปล กรุณารอสักครู่..
