How Do Communities Recover after Catastrophic Disturbance?
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- Part 2 Creating, Using and Interpreting Source Tables 1. Create a Source Table using the information given to you in the following scenario: a new diet pill is being tested for effectiveness. Four groups of women are selected. Women in Group 1 (n = 10) are given 5 mg of the drug, those in Group 2 (n = 10) are given 10 mg, Group 3 (n=10) gets 15 mg, and Group 4 (n=10) receives a placebo. The women are asked to record the percentage of weight lost after taking the pill daily for 6 months. Sum of Squares (SS) Between = 263.2; SS Within = 365.2. Use your Source Table to indicate the results. Is F significant? If so, at what alpha level? groupofDiscuss. Difference between the assumptions of Harrod-Domar and the Solow-Swan models on the nature of capital and discuss as well its effects on their predictionsSnowGoose Nests. In the article “Trophic Interaction Cycles in Tundra Ecosystems and the Impact of Climate Change” (Bio- Science, Vol. 55, No. 4, pp. 311–321), R. Ims and E. Fuglei provided an overview of animal species in the northern tundra. One threat to the snow goose in arctic Canada is the lemming. Snowy owls act as protection to the snow goose breeding grounds. For two years that are 3 years apart, the following graphs give relative frequency histograms of the distances, in meters, of snow goose nests to the nearest snowy owl nest. For each histogram, do the following: a. Identify the shape of the distribution with regard to modality. b. Identify the shape of the distribution with regard to symmetry (or nonsymmetry). c. If the distribution is unimodal and nonsymmetric, classify it as either right skewed or left skewed. d. Compare the two distributions.
- Section 2.2 (77) Frogs have been breeding like flies at the Enormous State University (ESU) campus! Each year, the pledge class of the Epsilon Delta fraternity is instructed to tag all the frogs residing on the ESU campus. Two years ago, they managed to tag all 50,000 of them (with little Epsilon Delta Fraternity tags). This year’s pledge class discovered that last year’s tags had all fallen off, and they wound up tagging a total of 75,000 frogs. a)Find an exponential model for the frog population. b)Assuming exponential population growth and that all this year’s tags have fallen off, how many tags should Epsilon Delta order for next year’s pledge class?Treatment Treefrog Western Toad CA Newt Total Natives Mosquitofish Presence Bullfrog 14 15 9 38 No Bullfrog 9 14 9 32 No Bullfrog 9 14 10 33 No Bullfrog 11 15 10 36 No Bullfrog 11 13 10 34 No Bullfrog/Mosquito Fish 2 10 0 12 Yes Bullfrog/Mosquito Fish 1 13 0 14 Yes Bullfrog/Mosquito Fish 2 15 1 18 Yes Bullfrog/Mosquito Fish 1 14 2 17 Yes Bullfrog/Mosquito Fish 4 13 0 17 Yes Mosquito Fish 2 14 1 17 Yes Mosquito Fish 2 12 0 14 Yes Mosquito Fish 1 14 0 15 Yes Mosquito Fish 3 13 4 20 Yes Mosquito Fish 1 14 0 15 Yes Control 14 13 11 38 No Control 12 12 9 33 No Control 13 12 10 35 No Control 13 15 10 38 No Control 11 15 9 35 NoQUESTION ONE The effects and opportunities of the COVID-19 pandemic are still significant globally for that matter in Ghana. While some well-resourced countries have succeeded in managing the consequences of the COVID-19 pandemic on their economy, the less endowed countries are struggling to cope with the situation. The effects of the pandemic can be felt in economic, political, social and religious aspects of the Ghanaian population. One of such effects is evident in the mobilization of government revenue to meet increasing demand for essential public goods. To mitigate this effect, the government of Ghana is trying to institute a new tax on electronic transaction to be called the E-levy. The new tax bill was met with fierce resistance by the opposition members of the Parliament. This resistance resulted in several minutes of physical fight among the "Honourable" members. The resistance was wild spread where other political and civil society groups have demonstrated their displeasure…
- 3Within a large metropolitan area, 20% of the commuters currently use the public transportation system, whereas the remaining 80% commute via automobile. The city has recently revitalized and expanded its public transportation system. It is expected that 6 months from now 30% of those who are now commuting to work via automobile will switch to public transportation, and 70% will continue to commute via automobile. At the same time, it is expected that 10% of those now using public transportation will commute via automobile and 90% will continue to use public cransportation. In the long run, what percentage of the commuters will be using public transportation? (Round your answer to the nearest percent.)In 2015, over 30,000 Americans died from opioid overdoses, and the number of inpatient stays and emergency visits to hospitals related to opiods increased dramatically compared to previous years. The National Institutes of Health (NIH) have partnered with the Healthcare Cost and Utilization Project (HCUP) to gather data on opioid-related deaths and hospitalizations. These data include information about inpatient stays, emergency department visits, age, sex, income, and opiod-related use. For a given patient admitted to a hopsital for an opioid-related event, identify which of these events are disjoint. The patient stayed at the hospital for over a week. The patient was 62 years old. The patient was male. The patient's duration of stay was one day. The patient was admitted to a large metropolitan hospital.
- Scenario D. A researcher wants to study whether having to take a 4 hour driving safety course after you receive a traffic ticket can improve how safely a person drives. She compares a group of people who have received traffic tickets in Florida and who chose take a 4 hour driving safety course to a group of drivers who received a traffic ticket and opted to not take the course. She then measures whether they got a second traffic ticket within the next 6 months. What is the confound for Scenario D (you may list more than one, but you must give at least one!). How could the confound be fixed in Scenario D? Be sure to tell me what technique you are using (constancy, repeated measures, randomization, elimination, or balancing), as well as how you would apply that technique to this specific scenario, and how that would fix this confound.?Survival Analysis: An observational study is conducted to compare the survival experience of individuals with brain cancer following treatment. Participants undergo treatment and are followed until the time of recurrence, until they are lost to follow-up or up to 40 weeks, whichever comes first. The following table details the experiences of participants undergoing radiotherapy alone or radiotherapy and surgery. The data below are week to recurrence or week of last contact. Using the Kaplan-Meier approach, what is the Survival Probability at the end of 8 weeks for radiotherapy alone? (Hint: set up a table for radiotherapy including columns for time (week), Nt, Dt, Ct, and St+1) Radiotherapy Alone Surgery/Radiotherapy Weeks to recurrence Week of Last Contact (no recurrence) Weeks to recurrence Week of Last Contact (no recurrence) 2 3 2 10 2 4 6 14 2 5 10 21 5 6 23 7 29 8 32 34A firm is most likely to engage in horizontal FDI, as opposed to exporting, when trade costs are and the foreign market is O high; small O low; small O high; large O low; large
