A Structural Equation Modeling on Factors of How Experienced Teachers Affect the Students’ Science and Mathematics Achievements

Table 2

Descriptive statistics of the variables used in the model.

Variable	Mean	Standard deviation	Standard error of the mean	Range
Teachers number	44.66	13.917	.185	15–68
Expert teachers number	4.96	4.032	.054	0–15
Science achievements in school	63.706	16.939	.224916	17.51–100
Mathematics achievements in school	59.421	18.372	.243946	12.82–100
Science achievements in SBS	8.32	3.3	.044	0–18
Mathematics achievements in SBS	5.33	2.737	.036	0–18