Table 2.  Descriptive statistics of scores for junior high school students.

	Q1	Q2	Q3	Q4	Q5	Q6	Q7	Reading score	Writing score
Mean	9.9	9.9	9.5	8.5	9.1	164.2	139.4	46.9	75.9
SD	0.7	0.6	0.8	1.9	1.2	45.3	36.2	3.4	19.2
Median	10	10	10	9	9	165	140	48	76
Range	0–10	1–10	6–10	0–10	2–10	0–315	0–249	29–50	0–132.3