Mathematics, 04.05.2021 16:30 choyontareq
In 2003, Dullinger et al. examined patterns of shrub invasion into high mountain grasslands of the Northern Calcareous (Limestone) Alps in Austria. Dullinger and his colleagues wished to determine whether Pinus mugo, a species of invasive conifer, showed a preference for invading some grassland habitats over others. The data provided give the number of Pinus mugo observed in each of six grassland types studied by the investigators. Assume that the area covered by each of the six habitats studied are approximately equal.
Grassland Type Pinusmugo. Count
Calamagrostis varia grassland 7
Carex ferruginea grassland 9
Nardus stricta pasture 2
Deschampsia cespitosa pasture 11
Hdictotrichon parlatorei grassland 2
Tall herb communities 0
Required:
Conduct a chi-square test for homogeneity.
Answers: 3
Mathematics, 21.06.2019 14:30
Simonne used the following steps to simplify the given expression. 12 - 3(-2x + 4) step 1: 12 + (โ3)ยท(โ2x) + (โ3)ยท(4) step 2: 12 + 6x + (โ12) step 3: 12 + (โ12) + 6x step 4: 0 + 6x step 5: 6x what property of real numbers was used to transition from step 3 to step 4? a. identity property of addition b. inverse property of addition c. associative property of addition d. commutative property of addition
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Mathematics, 21.06.2019 21:30
50 plz, given the system of equations, match the following items. x + 3 y = 5 x - 3 y = -1 a) x-determinant b) y-determinant c) system determinant match the following to the pictures below.
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Mathematics, 21.06.2019 22:30
Iโm really confused and need your assist me with this question iโve never been taught
Answers: 1
In 2003, Dullinger et al. examined patterns of shrub invasion into high mountain grasslands of the N...
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