Answer
See below
Work Step by Step
Given: $$-3,-4,-1,5,-2,-5,1$$
Order them:$$-5,-4,-3,-2,-1,1,5$$
The mean is: $\frac{(-5)+(-4)+(-3)+(-2)+(-1)+1+5}{7}=-\frac{9}{7}$
The median is: $-2$
There is no mode.
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