Measures of Central Location

1. $R=3, s^{2}=1.7, s=1.3$

3. $R=6, s^{2}=7. \overline{3}, s=2.7$

5. $R=6, s^{2}=7.3, s=2.7$.

7. $R=30, s^{2}=103.2, s=10.2$.

9. $\bar{x}=28.55, s=1.3$.

11. a. $\bar{x}=2063, \widetilde{x}=2000$, mode $=2000$.

13. All are $17.$

15. $\{1,1,1\}$

17. One example is $\{-.5,0,.5\}$.

19. a. $R=1350$ and $s=212.5455$

21. a. $R=4.00$ and $\sigma=0.740375$