what   is   mean
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Dear student
Mean: Mean in mathematical terms is defined as the sum of all values divided by the number of values.
$\mathrm{i}.\mathrm{e} \mathrm{Mean}=\frac{\mathrm{Sum} \mathrm{of} \mathrm{all} \mathrm{values}}{\mathrm{Number} \mathrm{of} \mathrm{values}}$
Regards