It is well known that mathematicians do their best work before the age of 30. But, what happens to them as they grow older? A statistician took a random sample of mathematics professors who were older than 40 and determined their age and the number of top-tier journal publication they produced in the previous 5 years. Draw a scatter diagram and report what it tells you about the research productivity as mathematicians grow older.

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48 71 73 41 66 57 50 42 47 59 7 14 16 Age Publications 12 4 8 22 8 10 13