Describing, Exploring, and Comparing Data Percentiles. In Exercises 17-20, use t

Question

Describing, Exploring, and Comparing Data Percentiles. In Exercises 17-20, use the olowing calphone airport data speeds OMpy) 17-20, use the following cell phone airport data speeds (Mbps) from Sprint. Find the percentile corresponding to the given data speed. 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5 0.6 0.6 0.7 0.8 1.0 1.1 1.1 1.2 1.2 1.6 1.6 2.1 2.1 2.3 2.4 2.5 2.7 2.7 2.7 3.2 3.4 3.6 3.8 4.0 4.0 5.0 5.6 8.2 9.6 10.6 13.0 14.1 15.1 15.2 30.4 17. 2.4 Mbps 18. 13.0 Mbps 19. 0.7 Mbps 20. 9.6 Mbps In Exercises 21-28, use the same list of Sprint airport data speeds (Mbps) given for Exercises 17-20. Find the indicated percentile or quartile. 21. Poo 22. 01 23. 0s 24. Pso 25. Pso 26. Ps 27. P2s 28. Ps

Explanation / Answer

## By using R command

> X=c(0.2,0.3,0.3,0.3,0.3,0.3,0.3,0.4,0.4,0.4,0.5,0.5,0.5,0.5,0.5,0.6,0.6,0.7,0.8,1,1.1,1.1,1.2,1.2,1.6,1.6,2.1,2.1,2.3,2.4,2.5,2.7,2.7,2.7,3.2,3.4,3.6,3.8,4,4,5,5.6,8.2,9.6,10.6,13,14.1,15.1,15.2,30.4)
> X
[1] 0.2 0.3 0.3 0.3 0.3 0.3 0.3 0.4 0.4 0.4 0.5 0.5 0.5 0.5 0.5
[16] 0.6 0.6 0.7 0.8 1.0 1.1 1.1 1.2 1.2 1.6 1.6 2.1 2.1 2.3 2.4
[31] 2.5 2.7 2.7 2.7 3.2 3.4 3.6 3.8 4.0 4.0 5.0 5.6 8.2 9.6 10.6
[46] 13.0 14.1 15.1 15.2 30.4
> Q3=quantile(X,0.75) ## Third quartile or 75th percentile
> Q3
75%
3.75
> P40=quantile(X,0.40) ## 40th percentile
> P40
40%
1.06
> P75=quantile(X,0.75) ##75th percentile
> P75
75%
3.75
> P25=quantile(X,0.25) ##25th percentile
> P25
25%
0.5
> P85=quantile(X,0.85) ##85th percentile
> P85
85%
7.29
>

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