تم الحل ✓
categoryجغرافيا وبيئة
schoolبكالوريوس
event_available2026-07-15
السؤال
Transcribed Image Text:
A study was conducted to determine where moose are found in a region containing a large burned area. A map of the study area was partitioned into the following four habitat types.
1. Inside the burned area, not near the edge of the burned area,
2. Inside the burned area, near the edge,
3. Outside the burned area, near the edge, and
4. Outside the burned area, not near the edge.
The figure below shows these four habitat types.
4
3
2
Note: Figure not drawn to scale.
The proportion of total acreage in each of the habitat types was determined for the study area. Using an aerial survey, moose locations were observed and classified into one of the four habitat types. The results are given in the table below.
Number of Moose
Habitat Type
Proportion of Total Acreage
Observed
1
0.340
25
2
0.101
22
3
0.104
30
4
0.455
40
Total
1.000
117
a. The researchers who are conducting the study expect the number of moose observed in a habitat type to be proportional to the amount of acreage of that type of habitat. Are the data consistent with this expectation? Conduct an appropriate
statistical test to support your conclusion. Assume the conditions for inference are met.
b. Relative to the proportion of total acreage, which habitat types did the moose seem to prefer? Explain.
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