Answer
17.2 Fish
Work Step by Step
$Mean=\frac{(12 \times4)+
(13\times 2)+
(15 \times5)+
(19 \times 3)+
(22 \times1)+
(23 \times5)}{4+2+5+3+1+5}\\\\=17.15\\\approx17.2 \\$
$(Rounded$ $up$ $to$ $nearest$ $tenth)$
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