Answer:
- 9, - 5, - 1
Explanation:
Calculate the mean of 3 and - 13, that is
= = - 5
That is
- 13, - 5, 3
Now find the mean of - 13 and - 5, and - 5 and 3
= = - 9
= = - 1
Thus
- 13, - 9, - 5, - 1, 3
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