Description
The area of a rectangular volleyball court is 1740.5ft and the length is 50ft
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Explanation & Answer
a=l*w
1740=50w
w=34.8ft
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Clinical depression is a recurrent illness requiring t ...
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Context
https://www.statcrunch.com/app/index.php?dataid=35...
Clinical depression is a recurrent illness requiring treatment and often hospitalization. Nearly 50% of people who have an episode of major depression will have a recurrence within 2-3 years. Being able to prevent the recurrence of depression in people who are at risk for the disease would go a long way to alleviate the pain and suffering of patients.
During the 1980s the federal government, through the National Institutes of Health (NIH), sponsored a large clinical trial to evaluate two drugs for depression. There were 3 treatment groups. Patients received either Imipramine (Imip), Lithium (Li), or a Placebo (Pl). Researchers randomly assigned patients to one of the 3 treatment groups and followed them for 2-4 years to track any recurrences of depression.
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Most Popular Content
MAT 205 UA Knowledge of The Math Applications Journal
Mathematics in the Real-World
Here is a list of many such application concepts that were discussed throughout the book:
...
MAT 205 UA Knowledge of The Math Applications Journal
Mathematics in the Real-World
Here is a list of many such application concepts that were discussed throughout the book:
Global melting (page 70)
Save money and save the earth (page 99)
Federal budget (page 173)
How numbers can deceive polygraph, mammogram, and more (page 178)
Measuring your money by understanding tax, interests, investments, loans, budget, etc. (Chapter 4)
Should you believe a statistical study (Chapter 5B)
Graphics in the media (Chapter 5D)
Correlation and causality (Chapter 5E)
Is polling reliable (page 414)
Exponential and logarithmic scales and their use in understanding acidification of lakes and oceans and effect of exponential population rise (Chapter 8)
Ocean acidification (page 526)
Climate modeling (page 534)
Mathematics of politics (Chapter 12)
For this journal entry, choose any two application problems from the above list and answer the following questions.
What are the two topics that you have chosen?
Why did you choose the topics?
How will you use the applications in your own life? Be very specific.
How can you use the applications in your own community? For example, if you believe in climate change and you find that your senator, congressperson, or members of your town council do not believe in climate change, how can you use your knowledge to change their beliefs? This is just an example. You can use this or your own examples and ideas to discuss how you can use your applications for the betterment of the society and the country.
Did you know about all these math applications before you took the class? How has your perspective about math changed after taking this class?
Were you afraid of math before taking this class? Are you still afraid? Why or why not?
Reflect on your journey through the 5 weeks of this class.
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Context
https://www.statcrunch.com/app/index.php?dataid=35...
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Grossmont College Module 11 Treating Depression Lab Independent Variable Analysis
Context
https://www.statcrunch.com/app/index.php?dataid=35...
Clinical depression is a recurrent illness requiring treatment and often hospitalization. Nearly 50% of people who have an episode of major depression will have a recurrence within 2-3 years. Being able to prevent the recurrence of depression in people who are at risk for the disease would go a long way to alleviate the pain and suffering of patients.
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(Prien et al., Archives of General Psychiatry, 1984).
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Hospt: Which hospital the patient was from: Labeled 1, 2, 3, 5 or 6
Treat: 0=Lithium; 1=Imipramine; 2=Placebo
Outcome: 0=Success 1=Failure (recurrence of depression)
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If you have not already done so, open the depression data set in the Stats at Cuyamaca College group on StatCrunch (directions - opens in a new tab).
Prompt
We will analyze the data to answer the second research question: Which of the drugs (if either) delayed the recurrence of depression longer relative to the placebo?
In the previous lab-preparation activity, we identified Treat as the explanatory variable and Time as the response variable. We also determined that we will analyze the data using side-by-side boxplots and descriptive statistics (i.e. 5-number summaries since the graphs are boxplots).
Make graphs and tables.
Use StatCrunch to produce side-by-side boxplots. (directions)
Embed your graphs into the textbox, and be sure to include the Alt Text. To recall how to embed a picture into a textbox, see the StatCrunch directions below.
Use StatCrunch to produce the descriptive statistics (a single table containing the 5-number summaries for each comparison group). (directions)
Copy and paste the StatCrunch output table into the textbox.
Analyze the data: Compare the distributions for the treatment groups as demonstrated in Unit 2. For example, compare medians and intervals of typical values. Describe the shape and any outliers. Be sure to write your comparisons so the reader can understand the context of the numbers. For example, don't just say the median is 30; instead, say something like this: on average patients taking the placebo relapsed in 30 days (Q2=30 days).
Draw a conclusion: What can we conclude from your analysis? Did one drug successfully delay a relapse of depression better than the others? What evidence supports your conclusion?
Summarize your conclusions in response to both research questions: In this lab you compared three treatments (two drugs and the placebo) using two different variables. In Part 1 you compared whether or not a relapse into depression occurred for each of the two drugs and the placebo. In Part 2 you compared the length of time until the next relapse for the two drugs and the placebo. What can you conclude in light of both analyses? Is one treatment better than the other? How does the data support your conclusion
6 pages
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Types of descriptive statistics that might be best for summarizing the data, if you were to Descriptive statistics provides a significant ...
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