STAT 1430 Recitation 5B Two-Way Tables
Order ID |
53563633773 |
Type |
Essay |
Writer Level |
Masters |
Style |
APA |
Sources/References |
4 |
Perfect Number of Pages to Order |
5-10 Pages |
Description/Paper Instructions
STAT 1430 Recitation 5B Two-Way Tables
722 randomly selected students in a business school were asked what their major was. Half the students were males and half were females.
- The two pie charts shown above represent what type of distributions?
- They represent the marginal distributions of gender
- They represent the marginal distributions of major
- They represent the conditional distributions of gender given major.
- They represent the conditional distributions of major given gender.
- Looking at the graphs above why can we say there is a relationship between gender and major? Explain.
- Describe the relationship between gender and major using the appropriate percentages.
- With all the information given, it is possible to make one pie chart showing the results of Major for all students combined.The counts have been found by multiply 361 by the percentage for each major, and they are summarized in the data set called “Gender and Major.xlsx” on Carmen. Use the data set to make a pie chart in Excel. Sketch the pie chart, and be sure to label everything clearly.
- What type of distribution did you make in the previous problem? (CONDITIONAL, MARGINAL?) ________________ Include the type of distribution in the title of your pie chart as well.
An insurance company has collected the following data on the gender and marital status of 300 customers. The same information can be found in the data set “Gender and Marital Status.xlsx”, located on Carmen.
Marital Status
Gender |
Single |
Married |
Divorced |
|
Male |
25 |
125 |
30 |
|
Female |
50 |
50 |
20 |
|
|
|
|
|
|
- GRAPHS – use your lecture notes to see what these distributions mean!
- Make two separate appropriate graphsin EXCEL showing the two separate marginal distributionsyou can get from this table. Make sure the graphs are clearly labeled. Sketch them on your answer sheet and be ready to show them if your TA asks.
- Interpret your results; one sentence per graph is fine.
- Make a pie chartusing EXCEL, which shows the conditional distribution of gender for those who are divorced. Label clearly. Interpret your results in a sentence or two.
- Make an appropriate bar graphusing EXCEL, which shows the conditional distribution of marital status for the males. Label clearly. Interpret your results in a sentence or two.
- Make appropriate graph(s) IN EXCELthat show whether there is a relationship between gender and marital status. If you can put it all into one graph that would be nice; but not required. Label the name and type of distribution you are showing on your graph.
- Based on your graphs, is there a relationship between gender and marital status? If so, what is the relationship? (Use the percentages to answer this. Note that if you are using the distribution for marital status you have 3 groups, so you must consider all 3 of them in your analysis, not just 2 of them.)
Data was collected on whether or not a student smokes and whether one or the other or both of their parents smoked. The data is shown below. It can also be found in the data set “Student and Parent Smoking.xlsx” located on Carmen.
|
Neither parent smokes |
One parent smokes |
Both parents smoke |
Student doesn’t smoke |
1168 |
1823 |
1380 |
Student smokes |
188 |
416 |
400 |
- Using appropriate graphs and percentages (include them on the answer sheet), describe students’ smoking behavior based on their parents’ smoking behavior. Which variable should you break down the data by (student or parent)? Choose the variable that you think makes the results easiest to understand. Make sure you describe the relationship using percentages, and interpret the results in a way that a Lantern reader would be interested in.
Application: Work on this on your own, in your group, with those in your table, with minimal help from TAs.
Bob collected data on a random sample of 800 students who applied to a business program. His two variables were gender, and whether the person was admitted or denied admission to the program.
The data is found in the Excel file called BusinessAdmissions.xlsx, located in the recitation question section of Carmen.
Create a 2×2 table from this data.
Now creating tables and/or graphs of the appropriate marginal and/or conditional distributions, show there is a relationship between gender and whether a student was admitted or not. Use the methods shown in the previous problems as a guide. Then describe the relationship describe using percentages.
Your final answer should include: 1) table generated in Excel and copied on paper; 2) graphs and/or tables showing the appropriate distributions you are comparing to look for a relationship, using problems 1-10 as a model; 3) conclusion as to whether or not there is a relationship; and 4) if there is a relationship, describe it in words a non-statistician understands.
Distribution of Major for Males (n=361)
Accounting Admin Econ Finance 36 24 5 35
Distribution of Major for Females (n=361)
Accounting Admin Econ Finance 32 38 3 27
RUBRIC
QUALITY OF RESPONSE |
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POOR / UNSATISFACTORY |
SATISFACTORY |
GOOD |
EXCELLENT |
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30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. |
40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. |
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Use of Sources (worth a maximum of 20% of the total points). |
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15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. |
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10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. |
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