Few scholars deny that Alexander the Great ranks as one of the truly great leaders of the Ancient World but they sharply divide on what these qualities of leadership were. Critics argue that his driving ambition for wealth and fame drove him to military success. Others view him as a caring military commander dedicated to his troops and national honor. What do you think? Make sure to cite specific evidence to support your view.

 

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1. Dr. Fictitious Jones conducts a study to test whether losing weight reduces cholesterol levels. He tests 15 people in January. Six months later, after they have all participated in a weight loss program and lost at least 3% of their starting body weight, he measures them again. 

1. What is your null hypothesis?
2. What is your research hypothesis?
3. What test would you run to test your hypothesis?
4. Run the test at the 5% level of significance. ATTACH YOUR RESULTS!
5. State whether you accept or reject the null hypothesis

210 215

235 220

190 190

210 200

265 260

195 210

210 195

230 240

190 190

220 180

265 280

195 190

220 180

255 260

205 210

2. You want to know if there is a statistically significant difference between father’s age and miscarriage. You collect data at the Totally Made Up Hospital and find the following:

Miscarriage N Mean Paternal Age Standard Deviation

NO 162. 33.4 2.8

YES 48. 41.1 3.1

1. What is your null hypothesis?
2. What is your research hypothesis?
3. What test would you run to test your hypothesis?
4. Compute the test at the 5% level of significance. ATTACH YOUR RESULTS!
5. State whether you accept or reject the null hypothesis

Extra credit: What is the most likely confounding variable in this study and why?

 

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Fiction Analysis – Rough Draft

By Tuesday, attach the rough draft of your essay as a Microsoft Word document to the Discussion Area. By Wednesday, comment on at least two of your classmate’s submissions using the peer review questions provided below. 

Our story choices are the following: 

*Eudora Welty, “A Worn Path” (p. 22) 

*Ernest Hemingway, “A Clean Well-Lighted Place” (p. 48) 

*Flannery O’Connor, “A Good Man is Hard to Find” (p. 117)

*Nathaniel Hawthorne, “Young Goodman Brown” (p. 29) 

*Tim O’Brien, “The Things They Carried” (p. 184) 

IMPORTANT NOTE: You must choose one of these stories to earn credit on the assignment.

Compose an analytical essay of at least 1,200 words in which you offer an interpretation of a literary element in one of the assigned short stories. Write your analysis focusing on one of the following elements in one of the assigned stories:

• Character
• Theme
• Symbolism
• Imagery
• Setting

Start by selecting one of the short stories assigned by your instructor. Brainstorm to identify the literary element that you would like to explore in the story. Choose from character, theme, symbolism, imagery, or setting. Then, develop a thesis that offers a specific interpretation of this element. If you have trouble coming up with a thesis, contact your instructor, who will help you. Do not do any outside research at this point. When finished, the draft should be at least 1,200 words (approximately four double-spaced pages).

Tips for the Essay

1. Open your introduction with an engaging opener, such as a question, quote from the story, or interesting idea. Then, connect to the short story and mention the title and the author. End your introduction with a thesis statement that interprets one literary element of the story (such as theme, symbolism, or characterization).
2. The body paragraphs should support your thesis. Present specific aspects of the short story that help to illustrate your points. Make sure to quote from the story and analyze specific lines that support your argument.
3. Include a strong concluding paragraph that summarizes your main points and explains the significance of the thesis.

APA Reminder

Use APA style for formatting the essay and for source citations. Begin with a title page. Include a running header, and use proper font and spacing. End with a separate references page. Refer to the Week 1 lecture on avoiding plagiarism for an APA essay template and additional resources.

 

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Ficks Law describes physical parameters to which animals and plants must adapt in order to maximize the process of diffusion. (a) What are three components of this law (or equation) (other than the diffusion constant) that directly affect the rate of diffusion in organisms? (b) Describe one example of an anatomical adaptation in an animal and a plant that maximizes diffusion by adapting to each of these three components of Ficks Law. Be sure to identify the specific structures involved.

 

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Part 1: Contingency Table (Cross-Reference Table) and ProbabiltyUsing the Cereal worksheet (which we used in the Week 2 Lab for Linear Regression Analysis), the Calorie variable was recoded into “high calorie” and “low calorie” categories. We used 120 calories per serving as the break point (greater than or equal to 120 is “high calorie”). A contingency table was created inside the Cereal worksheet showing the breakdown of fiber and how it relates to calorie content. Use the contingency table to help answer the following probability questions. Write your answers inside the Week 4 Lab Template. You do not need to copy-and-paste anything from Excel. Suppose one type of cereal is randomly selected.1. What is the probability that the cereal would be high calorie? In other words, what is P(high calorie)? 2. What is the probability that the cereal would be high fiber? In other words, what is P(high fiber)? 3. What is the probability that a cereal would both high calorie and high fiber? In other words, what is P(high calorie and high fiber)?4. What is the probability that a cereal would either high calorie or high fiber? In other words, what is P(high calorie or high fiber)? 5. What is the probability that a cereal would be high calorie, given that it is high fiber? In other words, what is P(high calorie, given high fiber)?6. What is the probaility that a cereal would be high calorie, given that is is low fiber? In other words, what is P(high calorie, given low fiber)? 7. Regarding Questions 5 and 6, how might you interpret this information as a consumer? 8. Using the simple test of independence, decide if the events high calorie and high fiber are independent or dependent. Show your work.9. Discuss how the Excel command “countif” was used in the table above. Why were the ranges (such as f2:f23) used as they were?Place your answers inside the Week 4 Lab Template for submission. Be sure to follow the directions in the template. Part 2: Binomial Probability DistributionWork through the “Binomial Example” worksheet located inside the Week 4 Lab Excel file. (Click here to download it.) This example shows how to create a Binomial Probability Distribution to help answer the following question for practice:A surgical technique is performed on seven patients. You are told there is a 70% chance of success. Find the probability that the surgery is successful for (a) exactly 5 patients, (b) at least five patients, and (c) less than five patients.Answer: n = 7, p = 0.70; a) P(5) = 0.318; b) P(x >= 5) = 0.647; c) P(x < 5) = 0.353Also, here is another example: Binomial Distribution Example This file shows how a binomial distribution is created in Excel. The file shows the formula view as well as the probability calculation. Assignment: Work the following questions using Excel. Part 2 Questions For each question, create the entire binomial distribution for the situation described in the question. The “BINOMDIST” function will calculate the probability results. You’ll need to create a binomial distribution table and distribution graph for each problem. Use the table you build to answer all the probability questions. Show your work.You will copy-and-paste two Binomial Probability Distributions to the Week4 Lab Template for submission. You will also copy-and-paste the graph of the distribution for the first question. Be sure to also answer the questions using complete sentences to justify your work.Part 3: Poisson Probability DistributionWork through the “Poisson Example” worksheet located inside the Week 4 Lab Excel file. (Click here to download it.) This example shows how to create a Poisson Probability Distribution to help answer the following question:A newspaper finds that the mean number of typographical errors per page is 4. Find the probability that (a) exactly three typographical errors will be found on a page, (b) at most three typographical errors will be found on a page, and (c) more than three typographical errors will be found on a page.Answer: mu = 4; a) P(3) = 0.195; b) P(x <= 3) = 0.433; c) P(x > 3) = 0.567Also, here is another example: Poisson Example This file shows how a Poisson distribuiton is created in Excel. The file shows the formula view as well as the probability calculation. Assignment: Work the following questions using Excel. Poisson Questions For each question, create the entire Poisson distribution for the situation described in the question. The “POISSON” function will calculate the probability results. You’ll need to create a Poisson distribution table and distribution graph for each problem. Use the table you build to answer all the probability questions. Show your work.You will copy-and-paste two Poisson Probability Distributions to the Week 4 Lab Template for submission. You will also copy-and-paste the graph of the distribution for Question 1 from the Poisson Questions. Be sure to also answer the questions using complete sentences to justify your work

 

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