Number of students

SDLRS Mean

Std. Deviation

Nationality

Qatari

62

196.68

18.33

Non-Qatari

21

196.67

15.33

Grades

10^th grade

44

198.16

16.56

11^th grade

39

195.00

18.64

Age

15 - 16 years

41

199.71

16.28

16 - 17 years

42

195.19

18.38