[Description] Yes indicates the statistics object contains string summary statistics to improve the cardinality estimates for query predicates that use the LIKE operator; for example, WHERE ProductName LIKE '%Bike'. String summary statistics are stored separately from the histogram and are created on the first key column of the statistics object when it is of type char, varchar, nchar, nvarchar, varchar(max), nvarchar(max), text, or ntext.. [Column name] 
String Index
N a m e
U p d a t e d
R o w s
R o w s S a m p l e d
S t e p s
D e n s i t y
A v e r a g e K e y L e n g t h
S t r i n g I n d e x
F i l t e r E x p r e s s i o n
U n f i l t e r e d R o w s