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Allushta [10]
3 years ago
11

PLS HURRY!!

Mathematics
1 answer:
avanturin [10]3 years ago
5 0

Answer:

A

Step-by-step explanation:

The only equation that follows what it says.

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  • a) Mean = 20.4
  • b) New mean = 20

==================================================

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------------

For part b), we redo those steps shown above, but tack 16 onto the list. So we'll add up all the values (including that 16 at the end) and divide by 11 this time.

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