In Order to Approximate the Average Size of a Perch

question 18

Essay

In order to approximate the average size of a perch in Lake Champlain, a biologist captures and
analyzes 65 perch from 12 different regions of the lake. The researcher finds that on average, a perch
is 23.6 cm in length from head to tail. Is the value of 23.6 cm a statistic or a parameter? Explain.

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