Question

find the mean mark of the students : marks 10,20,30,40,50,60, number of students 5,2,3,8,4,3 . plzzz solve this fast don't spamming​

Answer 1

Answer:

35.2

Explanation:

Mean

= [5(10)+2(20)+3(30)+8(40)+4(50)+3(60)]/(5+2+3+8+4+3)

= 880/25

= 35.2

(hope it helps!)