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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §5.3 Summation versus Integration, #33 · Calculus · Integrals

The average of … is

The average of $6, 11, 4$ is $\overset{v}{ˉ} = \frac{1}{3} (6 + 11 + 4)$ . Then $(6 - \overset{v}{ˉ}) + (11 - \overset{v}{ˉ}) + (4 - \overset{v}{ˉ}) =______$ . The average of $v_{1}, \dots, v_{n}$ is $\overset{v}{ˉ} =______$ . Prove that $\sum (v_{i} - \overset{v}{ˉ}) = 0$ .

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Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §5.3 Summation versus Integration, #33

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