Math, asked by cheshta9934, 1 year ago

Plz answer this question ​

Attachments:
bansil003: konsa set hai.
cheshta9934: set 1
bansil003: I got set 2
bansil003: what is your estimated mark
cheshta9934: 75 ur
bansil003: my 5 marks are going to cut. so, estimation is 72 up
cheshta9934: OK best of luck for science board exam
bansil003: same to you dear.
cheshta9934: thank you

Answers

Answered by Simran1203
0

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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