Mathematics
Mathematics, 22.05.2021 22:20, nwatase

Greg teaches an art class. The table below shows how many drawings his students had submitted by last Friday. Greg calculates the mean absolute deviation (MAD) of the data.
Then, one student submits 25 additional drawings. Greg cannot remember whether the
drawings are Amy's or Emily's, but he thinks the MAD will increase no matter who submitted
the drawings. Is Greg correct? Use the drop-down menus to explain your reasoning.

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