Answer
See the picture.
Work Step by Step
Total: 50 states + District of Columbia = 51
The relative frequency for "4.0 - 5.9" is $\frac{1}{51}\approx0.0196$
The relative frequency for "6.0 - 7.9" is $\frac{0}{51}=0$
The relative frequency for "8.0 - 9.9" is $\frac{5}{51}\approx0.0980$
The relative frequency for "10.0 - 11.9" is $\frac{9}{51}\approx0.1765$
The relative frequency for "12.0 - 13.9" is $\frac{6}{51}\approx0.1176$
The relative frequency for "14.0 - 15.9" is $\frac{7}{51}\approx0.1373$
The relative frequency for "16.0 - 17.9" is $\frac{5}{51}\approx0.0980$
The relative frequency for "18.0 - 19.9" is $\frac{11}{51}\approx0.2157$
The relative frequency for "20.0 - 21.9" is $\frac{5}{51}\approx0.0980$
The relative frequency for "22.0 - 23.9" is $\frac{1}{51}\approx0.0196$
The relative frequency for "24.0 - 25.9" is $\frac{1}{51}\approx0.0196$
