Question

see the attached file and answer it for me ​

Answer 1

MATE

YOUR SOLUTION IS IN ATTACHED PICTURE ☺️

Answer 2

Mean = sigma xi fi/ sigma fi

Mean=18+40+105+225+88+52/6+8+15+25+8+4

Mean= 528/66

=264/33

=88/11

=8

Mean=8

hope this helps you.

:-)