CREATE TABLE table_203_833 (id DECIMAL, "round" DECIMAL, "pick" DECIMAL, "player" TEXT, "pos." TEXT, "nationality" TEXT, "team" TEXT, "aba team" TEXT, "signing price" TEXT)

what was the signing price on average of all the players ?
SELECT AVG("signing price") FROM table_203_833
SELECT AVG("signing price") FROM "table_203_833"