Mean density near Mean density far from P-value Species ruins (animals/km^2) ruins 160.2 14.5 Agouti Coatimundi Collared peccary 0.03 99.4 1.0 0.01 4.6 0.79 1.8 Deppes squirrel Howler monkey Table 1 2.2 32.3 0.54 0.03 7.3 1.9 Spider monkey Crested guan 170.8 0.88 15.0 49.4 0.001 Great curassow 10.8 72.0 0.048 Ocellated turkey Tinamou 47.0 0.02 4.9 0.049 Tikal National Park in Guatemala is heavily visited by tourists. Does the disturbance affect animal densities? To investigate, Hidinger (1996) compared the densities of various bird and mammal species in places immediately next to heavily visited ruins to places in the park that were rarely visited by tourists. The mean densities (in animals/km^2) are found in the accompanying table. The table also lists the P-value associated with a test of the null hypothesis that the two types of plots do not differ in mean density. Assume that a = 0.05. Name ONE species from that table that shows a significant increase in density near heavily visited ruins? (yes or no) Is it a significant difference? For the spider monkey, does it appear to be a higher mean density near ruins? (yes or no) The species column represent what type of data? (nominal, ordinal, ratio or interval) (nominal, ordinal, ratio or interval) Is it discrete or continuous? Mean density represents what type of data? (discrete or continuous) What kind of graph would be the best way to display this data? (scatter plot, line graph, bar graph, histogram, heat map)
Mean density near Mean density far from P-value Species ruins (animals/km^2) ruins 160.2 14.5 Agouti Coatimundi Collared peccary 0.03 99.4 1.0 0.01 4.6 0.79 1.8 Deppes squirrel Howler monkey Table 1 2.2 32.3 0.54 0.03 7.3 1.9 Spider monkey Crested guan 170.8 0.88 15.0 49.4 0.001 Great curassow 10.8 72.0 0.048 Ocellated turkey Tinamou 47.0 0.02 4.9 0.049 Tikal National Park in Guatemala is heavily visited by tourists. Does the disturbance affect animal densities? To investigate, Hidinger (1996) compared the densities of various bird and mammal species in places immediately next to heavily visited ruins to places in the park that were rarely visited by tourists. The mean densities (in animals/km^2) are found in the accompanying table. The table also lists the P-value associated with a test of the null hypothesis that the two types of plots do not differ in mean density. Assume that a = 0.05. Name ONE species from that table that shows a significant increase in density near heavily visited ruins? (yes or no) Is it a significant difference? For the spider monkey, does it appear to be a higher mean density near ruins? (yes or no) The species column represent what type of data? (nominal, ordinal, ratio or interval) (nominal, ordinal, ratio or interval) Is it discrete or continuous? Mean density represents what type of data? (discrete or continuous) What kind of graph would be the best way to display this data? (scatter plot, line graph, bar graph, histogram, heat map)
Human Anatomy & Physiology (11th Edition)
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Transcribed Image Text:Mean density near
Mean density far from
P-value
Species
ruins (animals/km^2)
ruins
160.2
14.5
Agouti
Coatimundi
Collared peccary
0.03
99.4
1.0
0.01
4.6
0.79
1.8
Deppes squirrel
Howler monkey
Table 1
2.2
32.3
0.54
0.03
7.3
1.9
Spider monkey
Crested guan
170.8
0.88
15.0
49.4
0.001
Great curassow
10.8
72.0
0.048
Ocellated turkey
Tinamou
47.0
0.02
4.9
0.049
Tikal National Park in Guatemala is heavily visited by tourists. Does the disturbance affect animal densities? To investigate, Hidinger (1996) compared the densities of various bird and mammal species
in places immediately next to heavily visited ruins to places in the park that were rarely visited by tourists. The mean densities (in animals/km^2) are found in the accompanying table. The table also
lists the P-value associated with a test of the null hypothesis that the two types of plots do not differ in mean density. Assume that a = 0.05.
Name ONE species from that table that shows a significant increase in density near heavily visited ruins?
(yes or no) Is it a significant difference?
For the spider monkey, does it appear to be a higher mean density near ruins?
(yes or no)
The species column represent what type of data?
(nominal, ordinal, ratio or interval)
(nominal, ordinal, ratio or interval) Is it discrete or continuous?
Mean density represents what type of data?
(discrete or continuous)
What kind of graph would be the best way to display this data?
(scatter plot, line graph, bar graph, histogram, heat map)
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