Respuesta :

mathb5

Step-by-step explanation:

STEP 1 : FIND THE MEAN

STEP 2 : SUBRACT THE MEAN FROM EACH SCORE

STEP 3 : SQUQRE EACH DEVIATION

STEP 4 : ADD THE SQUARE DEVIATION

STEP 5 : DIVIDE THE SUM BY THE NUMBER OF SCORES

STEP 6 : TAKE THE SQUARE ROOT OF THE RESULT FROM STEP 5

HOPE IT HELPS