The answer is median, because the data is skewed and there is an outlier.
Give me a second please. Will have done in a second
<u><em>780 students</em></u>
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<em>Set up a proportion.</em>
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<em>75 / 125 = x/1300</em>
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<em>125 10.4 = 1300</em>
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<em>75 * 10.4 = 780</em>
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<em>x=780</em>
162.15 is the answer because you have to multiply 0.15•141 then add 21.15 to the 141 :)