radha scored the following mark in an examination find the average mark
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Answer:
When earned scores are 97,73,88 then
Average =
3
97+73+88
⇒86.
When 80 is added in the score list then
Average =
4
97+73+88+80
⇒84.5
Hence, the average is decreased by 1.5.
Step-by-step explanation:
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#Devil here
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