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dlinn [17]
2 years ago
9

Please help! Thank you!

Mathematics
1 answer:
Aloiza [94]2 years ago
4 0

Answer:

X=sigma xi/no of observation

5= (?) /4

5*4=sum of all numbers

20=sum of all the observation

If you are helped by this answer pls tag me brianliest I really want it

THANK YOU.......

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