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Simple word problem: Bob sold 5 toaster ovens and 3 blenders for $500. If a blender $20 less than a toaster oven, how much is a blender? I'm trying to explain how to solve to my son.
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Epidemiology Assignment Questions
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Epidemiology Assignment Questions
1) Different measures of disease are useful to evaluate and assess public health programs and needs in different situations. For each of the following questions, (a) state which measure would best support your goal and (b) explain why you chose that measure. To argue that mortality from HIV infection is a more serious public health problem in one region of the U.S than another. To argue that heart disease should get more funding than HIV. 2) An epidemiologist found five cases of big toe cancer in the Yukon Territory. Because there were only a few cases, the epidemiologist decided to conduct a matched case-control study to determine whether shoe size larger than 9 is a risk factor for big toe cancer. Each case was individually matched to one control for daily activity, history of athlete’s foot, and history of ingrown toenails. The following data were gathered: Shoe size > 9 Case Control Exposure (Y): 2(A) 2(D) Exposure (N): 3(C) 3(B) 3) You are interested in controlling cigarette smoking among women aged 15-24. Describe one primary prevention approach and one secondary prevention approach you would use. Convey your understanding of the difference between primary and secondary approaches in the context of your answer. 4) You have just finished administering a food/drink questionnaire to ill and non-ill participants in a Minnesota summer picnic party. The ill individuals developed moderate to severe diarrhea 16 to 46 hours after the picnic. Six persons experienced vomiting. The following data were collected: Calculate the Odds ratio for illness for consuming Lemonade. ATE DID NOT EAT Number of people Number of people Food item Ill Not ill Total Ill Not ill Total Hot dogs 40 30 70 10 20 30 Hamburgers 32 8 40 20 40 60 Potato salad 45 25 70 15 25 40 Ice cream 48 12 60 2 38 40 Lemonade 20 40 60 20 20 40
5) Select a disease and an exposure. It does not have to be one that is unique. However, for your choice you must select a study design, source of the data, potential limitations.
Running an Independent-Samples t Test
Run a descriptive statistics and an independent-samples t test using the IT Security dataset. The independent-samples t te ...
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Run a descriptive statistics and an independent-samples t test using the IT Security dataset. The independent-samples t test procedure compares means for two groups of cases; for example, when testing a new drug, a researcher may compare results from a treatment group with the results of a placebo (control) group.To prepare for this Assignment:Review Lesson 24, “Independent-Samples t test,” in the Green and Salkind text.Consider how descriptive statistics inform the researcher.Review the media, The t Test for Independent Samples.Review the Assignment Exemplar document provided in this week’s Learning Resources.Submit a 3- to 4-page paper using the Assignment Exemplar:Your paper must include the following elements:An APA Results section for Independent Samples t test. (See an example of an APA Results section on page 160 in the Green and Salkind text.)The critical elements of your SPSS output, including:A properly formatted research questionA properly formatted H10 (null) and H1a (alternate) hypothesisA descriptive statistics narrative and properly formatted descriptive statistics tableA properly formatted box plot (see page 128 of the Green and Salkind text)A properly formatted inferential APA Results Section (see page 128 of the Green and Salkind text)An appendix including the SPSS output generated for descriptive and inferential statistics (see SPSS output on page 128 of the Green and Salkind text)Be sure your APA Results section includes the governing assumptions of the test you ran.
Response to classmate on multiple regression
Respond to at least one of your colleagues’ posts and comment on the following:Do you think the variables are appropriat ...
Response to classmate on multiple regression
Respond to at least one of your colleagues’ posts and comment on the following:Do you think the variables are appropriately used? Why or why not?Does the addition of the control variables make sense to you? Why or why not?Does the analysis answer the research question? Be sure and provide constructive and helpful comments for possible improvement.If there was a significant effect, comments on the strength and its meaningfulness.As a lay reader, were you able to understand the results and their implications? Why or why not?
1 page
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He is told that his starting salary will be $75,000.00 per year. He is also told that his salary will probably be $81,000. ...
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He is told that his starting salary will be $75,000.00 per year. He is also told that his salary will probably be $81,000.00 in four years.
Homework: 8-2 MyStatLab: Module Eight Problem Set
need help with 7 statistics homework problems the files are just an example of what i am doing. will send info to do the h ...
Homework: 8-2 MyStatLab: Module Eight Problem Set
need help with 7 statistics homework problems the files are just an example of what i am doing. will send info to do the hw on the website so it will be easier that way.
Data analysis tool: employees with a Bachelor degree and MBA
Please use the PreWorkDummyData.xlsx to answer the following questions.Question 1 What is the mean difference in Years at ...
Data analysis tool: employees with a Bachelor degree and MBA
Please use the PreWorkDummyData.xlsx to answer the following questions.Question 1 What is the mean difference in Years at Company between employees with a Bachelor degree and those with an MBA? (round to 2 decimal points. ex. 1.22) Question 2- 25 pts What is the variance in Years at the Company for employees with an MBA? (round to 2 decimal points. ex. 1.22) Question 3- 25 pts What is the t-statistic for the difference In Years at the Company for employees with an Bachelor degree vs an MBA? (round to 2 decimal points. ex. 1.22) Question 4- 25 pts Is the difference In Years at the Company for employees with an Bachelor degree vs an MBA significant? Yes. The p-value is less than .01 but more than .001 No Yes. The p-value is less than .001 Yes. The p-value is less than .05 but more than .01
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