Question

while finding arithmetic mean for 50 scores of an ungrouped frequency distribution it was given that fi xi =755.how to find the mean of the scores

Answer 1

heya...!!!!

given that:-

 Σfi×xi = 755

and
Sum of all of the numbers of a group = 50

now,

arithmetic mean = 755/50

=> 15.1

Answer 2

HELLO DEAR,



given that:-

 Σfi×xi = 755

and
Sum of all of the numbers of a group = 50

now,

arithmetic mean = 755/50

=> 15.1


I HOPE ITS HELP YOU DEAR,
THANKS