imdb movie analysis

Task A- for finding the most common genres i had created a pivot table containig gr=enres in row label and imdb score in value and then by using pivot table only i had find out the average,STDEV,VAR FROM PIVOT TABLE BY USING IMDB SCORE AND THEN FIND MAX, MIN, MODE,MEDIAN MANUALLY BY USING THE COUNT OF IMDB SCORE, IT IS CORRECT OR NOT, PLEAST TELL ME? I HAD ALSO ATTACHED THE IMAGE.