Use Simpson's Rule and all the data in the following table to estimate the value of the integral $\displaystyle {\int_{{{3}}}^{{{21}}}}{f{{\left({x}\right)}}}{\left.{d}{x}\right.}$.

x	f(x)
3	9
6	7
9	1
12	2
15	4
18	15
21	11

Preview Question 6