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N 2.3 Numerical Measures of Central Tendency 63 2.68 Mongolian desert ants. The Journal of Biogeography (Dec NW 2003) published an article on the first comprehensive study of ants in Mongolia (Central Asia). Botanists placed ANTS seed baits at 11 study sites and observed the ant species attracted to each site. Some of the data recorded at each study site are provided in the table belowData for Exercise 2.68 Max. Daily Total Plant Number of S Site Region Rainfall (mm) Temp. (°C) Cover (%) Ant Species Index Dry Steppe 2 Dry Steppe Dry Steppe Dry Steppe Dry Steppe Gobi Desert 7 Gobi Desert 8 Gobi Desert 9 Gobi Desert 10 Gobi Desert Gobi Desert 196 196 179 197 149 112 125 5.7 5.7 7.0 8.0 8.5 10.7 11.4 10.9 11.4 11.4 11.4 40 52 40 43 27 .89 .83 1.31 1.48 52 49 46 16 30 56 125 84 115 76 1.26 14 Based on Pfeitfer. M., et al. Community organization and species richness of ants in Mongolia along an ecological gradient from steppe to Gobi desert. Journal of Biogeography. Vol. 30. No. 12. Dec. 2003 (Table 1 and 2).

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SUMMARY: Mongolian desert ants. The Journal of Bio-geography (Dec 2003) published an article on the first comprehensive study of ants in Mongolia (Central Asia).

Given a table based on 11 study sites and observed the ant species attracted to each site.

iven dol<a Published an osticle the. Rist Com Prehonsive Std of ants on gven a tble. based on 1 hudu sites and obspved the ant spedes αΗ0adedo each gite. lul 1) F 2.818 tos median orvanse chla naS(onding oxdex As nbex of obsexvations - u is odd th Mode of. eqjvent b.bservafon. eonxe. (ommonded to Contre of the wmber of anf Sleppe site902 txQne. data. in Q3conding oxder d) 6 Gobi Dosost Site s 16Z 6 range dolo in ascondina odox lu, 16, 22, 30.30,56 AS number of observations: 6 is even. 6t1 2. =3.5 th obeevation Hedian 22+3052 2- 二26 Mode. s MaS event abseovotion Node30 e) Center win be, díftosont.

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