Marc took a random sample of 16 students from a school and for each student recorded
the number of letters,
, in their last name
the number of letters,
, in their first name
His results are shown in the scatter diagram.

Describe the correlation between and
.
Marc suggests that parents with long last names tend to give their children shorter first names.
Using the scatter diagram comment on Marc’s suggestion, giving a reason for your answer.
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