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bansil003:
konsa set hai.
set 1
I got set 2
what is your estimated mark
75 ur
my 5 marks are going to cut. so, estimation is 72 up
OK best of luck for science board exam
same to you dear.
thank you
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Answer:
Step-by-step explanatio14
Class marks (0+6)/2.....and so on
Class mark frequency (fi ×xi)
(xi) (fi) 3 10 30
9 11 99
15 7 105
21 4 84
27 4 104
33 3 99
39 1 39
Total Efi=40 Efixi=560
Mean = Efixi/Efi=560/40=14
Hence mean is 14
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