Table:
Age group	Noun comprehension mean	Predicate comprehension mean
n	SD	n	SD
Group 25-months	13.75	2.2	11.75	3.2
Group 30-months	14.67	1.6	12.58	2.8
Group 36-months	16.08	2.5	13.33	2.4

Encode the illustration in Markdown syntax.

| <ROWSPAN=3> Age group | <COLSPAN=2> Noun comprehension mean | <COLSPAN=2> Predicate comprehension mean | 
 | n | SD | n | SD | 
 | --- | --- | --- | --- | --- | 
 | Group 25-months | 13.75 | 2.2 | 11.75 | 3.2 | 
 | Group 30-months | 14.67 | 1.6 | 12.58 | 2.8 | 
 | Group 36-months | 16.08 | 2.5 | 13.33 | 2.4 |