Answer:
-1.60778117 I did it with a calculator
Cost of Sugar per pound = 3.29$
Cost of sugar for 7.9 pounds =
=>3.29 x 7.9
=>25.991$
Rounded to nearest 100ths place = 26.000$
If you call
the mass of the ant and
the load, we have the equation

In fact, the mass of the ant is one tenth of the load, which is exactly what this equation states.
Since we are given the load, we simply need to plug its value in the equation to deduce the mass of the ant:

The correct answer, or incorrect statement, is A. The mean is not affected by the existence of an outlier.