HW 4 exemplar (Prob 3.19)

HW 4 exemplar (Prob 3.19) - CV 0.199 0.240 MoE 6.420 So,...

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add876928e7441a6562907aa90990a6afda5d73b.xls Data Ponoma AQI, x 28 42 58 48 45 55 60 49 50 A 1 2 3 4 5 6 7 8 9 10
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add876928e7441a6562907aa90990a6afda5d73b.xls stats stat Ponoma AQI ranked x dev dev^2 Anaheim 28 28 -20.33 413.31 (given) 42 42 43.5 = Q1 -6.33 40.07 58 45 -3.33 11.09 48 48 -0.33 0.11 45 49 = median 0.67 0.45 55 50 1.67 2.79 60 55 56.5 = Q3 6.67 44.49 49 58 9.67 93.51 50 60 11.67 136.19 0.03 742.00 = SOS 92.75 = s^2 count 9 9 9.63 = s mean 48.33 48.33 48.50 median 49 49 mode no mode no mode midrange 44 44 midquartile 50 50 Q1 43.5 43.5 55 Q3 56.5 56.5 IQR 13 13 range R 32 32 IQR/R 0.406 0.406 s^2 92.75 136 s 9.63 11.66
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Unformatted text preview: CV 0.199 0.240 MoE 6.420 So, expect about the same AQI in both Ponoma and Anaheim. But, higher CV for the Anaheim, so Anaheim AQI has higher variability. The mean AQI is not a very good representation of the air quality index in either city, because of the fairly high relative variability. A B C D E F G H I 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40...
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HW 4 exemplar (Prob 3.19) - CV 0.199 0.240 MoE 6.420 So,...

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