среднее значение уникального набора:
=AVERAGE(UNIQUE(A:A))
ОБНОВЛЕНИЕ:
=ARRAYFORMULA(SUM(QUERY(SPLIT(TRANSPOSE(SPLIT(QUERY(TRANSPOSE(QUERY(TRANSPOSE(
IF(ISNUMBER(C:D), "♦"&C:D&" 1", IF((C:D<>"")*
(NOT(ISNUMBER(C:D))), "♦"®EXREPLACE(C:D, "[()]", ), ))),,99^99)),,99^99), "♦")), " "),
"select Col1*Col2 label Col1*Col2 ''", 0))/
SUM(QUERY(SPLIT(TRANSPOSE(SPLIT(QUERY(TRANSPOSE(QUERY(TRANSPOSE(
IF(ISNUMBER(C:D), "♦"&C:D&" 1", IF((C:D<>"")*
(NOT(ISNUMBER(C:D))), "♦"®EXREPLACE(C:D, "[()]", ), ))),,99^99)),,99^99), "♦")), " "),
"select Col2", 0)))
Макс / мин
=ARRAYFORMULA(MAX(QUERY(TRANSPOSE(SPLIT(QUERY(TRANSPOSE(QUERY(
TRANSPOSE(C:D),,99^99)),,99^99), " ")), "where not Col1 contains '-'", 0)))