The new mean is 66.09
<u>Explanation:</u>
Mean weight of 20 students = 65kg
One student with 88kg entered the room.
New mean = ?
The above equation can further be written as:
New mean =
= 66.09
Therefore, the new mean is 66.09
It’s 62.40 but I don’t know how to show my work for $52 lunch; 20% tip can someone please help
1 answer:
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