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Question 1 (11 marks) Research Question: Do community forums on ecologically sustainable development increase community awareness of the need for local council planning in regard to water resource management? In order to raise community awareness, a local council held a series of community forums on ecologically sustainable development. At the end of these forums participants were encouraged to develop goals and actions for their local area, and were also asked to complete a questionnaire rating the following sustainability issues in order of importance with regard to local council planning: Agriculture Energy use Environmental protection Fisheries ecosystem management Land use planning Water resource management The forums were held in a local council area which includes a section of the Cooks River. The Cooks River starts in Bankstown and flows 23 kilometres east and south east into Botany Bay. One part of the forum addressed the significant decline in water quality due to the extreme degradation of the Cooks River catchment area. Most of the natural vegetation in the catchment area has been cleared and the area has been subjected to large-scale dumping of industrial and domestic waste including sewage, and stormwater pollution. 120 randomly selected participants from the forums were selected. 42 of these participants had rated water resource management as the most important issue. A second random sample was selected from local residents who had not attended these community forums. Of these 150 residents, 35 rated water resource management as the most important issue. Carry out an appropriate hypothesis test to address the research question. (You do not need to provide a confidence interval in your conclusion.) There is some extra space for the conclusion to this question at the top of the next page if required. Hypothesis Test:The UK-AIR (Air Information Resource) webpages provide in-depth information on...

Answered Same DayDec 20, 2021

Solution

David answered on Dec 20 2021
3 Votes
A1) Let p1 be the population proportion from the forum who had voted water resource
management as the most important issue .
Let p2 be the population proportion from those who did not attend the forum who had voted water
esource management as the most important issue
H0:p1=p2
H1:p1>p2
Test statistic : Z=
2
)2ˆ1(2ˆ
1
)1ˆ1(1ˆ
2ˆ1̂
n
pp
n
pp
pp




...
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