Question: Simplify: a) State the answer in square root form and b) approximate the answer to two decimal places. Type the exact answer, using radicals as

Simplify:

$( sigma=sqrt{frac{(1.3)^{2}+(-2.1)^{2}+(-0.5)^{2}+(1.4)^{2}+(1.9)^{2}}{5}} )$

a) State the answer in square root form and b) approximate the answer to two decimal places. Type the exact answer, using radicals as needed. Rationalize all denominators.

0 = V (1.3)+(-2.1)+(0.5)+(1.4)+(1.9) 5 LO

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