/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/old-cs-2-02/statistik2022-06-10/sql-without-homepage/statistik59a.txt

MariaDB [stat_track]> SELECT hRel, @E, znr FROM Erwartungswert01;
MariaDB [stat_track]> CREATE TABLE varianz (p DOUBLE, e DOUBLE, znr INTEGER);
MariaDB [stat_track]> INSERT INTO varianz SELECT hRel, @E, znr FROM Erwartungswert01;
MariaDB [stat_track]> SET @v :=0; SELECT @v := @v + (@E*znr*@E*znr)*p FROM varianz;
MariaDB [stat_track]> SELECT SQRT (@v);