math case
9 months ago
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FinalProjectDescription1.docx
Part2Chapter10.pdf
Part2Chapter10.pdf
Week7Math1.docx
casestudyPart3.docx
Part111.docx
FinalProjectRubric.docx
FinalProjectDescription1.docx
MATH 2100 Gender/Racial Income Inequality Project
At this point you have completed 5 separate parts of this project. You have run multiple different statistics on the same data set comparing the income made between White Females, Black Females and Males. You will now compile all 5 parts into one document. Please make sure you have made all necessary changes before copying the individual sections into one document.
This final report needs to be a paper in paragraph form. You should introduce all tests and figures before you add the images. This needs to flow like a paper and should not just be a copy and paste of the previous 5 parts. There needs to be linking paragraphs to flow from one case study into the next to make one fluid paper.
After you have compiled the 5 previous sections (Chapter 3, 7, 9, 10, and 11 Statcrunch) write an introduction and conclusion paragraph reiterating the overall and final results you have come to at the end of this project. Your final paragraph should include advice or thoughts on how we can reduce the racial income gap. What can we do as a community to make sure all people regardless of race receive equal pay?
Part2Chapter10.pdf
2
Data was collected by the American Consumer Survey as a part of the Census in 2013.
The data was composed of the income of white women, black women, and all males. The first
study investigated whether the average income of white women was greater than that of black
women. The results of the test are attached below.
The second test investigated whether the income of white women is less than the
male income. The results of the test are as shown below.
Findings and Conclusions.
In the first test, it was found out that the average income of white women is greater than
33620, which is the average income for black women (p<0.0001).
3
In the second test, it was found out that the average income for white women was significantly
less than $47337 (p<0.0001). It can be concluded that white women earn a higher income than
black women. In addition, white women earn less income than males.
Part2Chapter10.pdf
1
One sample Hypothesis Test
Kayla Fincher
One sample Hypothesis Test
2
Data was collected by the American Consumer Survey as a part of the Census in 2013.
The data was composed of the income of white women, black women, and all males. The first
study investigated whether the average income of white women was greater than that of black
women. The results of the test are attached below.
The second test investigated whether the income of white women is less than the
male income. The results of the test are as shown below.
Findings and Conclusions.
In the first test, it was found out that the average income of white women is greater than
33620, which is the average income for black women (p<0.0001).
3
In the second test, it was found out that the average income for white women was significantly
less than $47337 (p<0.0001). It can be concluded that white women earn a higher income than
black women. In addition, white women earn less income than males.
Week7Math1.docx
1
The goal of the project is to make comparison of the income data from 51 different areas based on three groups which include White women, Black Women, and all men. The data came from Census 2013 American Consumer surveys.
The income distribution of white women data is rightly skewed. The average income of the white men was 39930 with a standard deviation of 7188.1. The 80th percentile of the income in White women is $45892.38.
The income distribution of black women data is approximately normal. The average income of the white men was 33620 with a standard deviation of 5506.8. The 80th percentile of the income in White women is $38256.73
The income distribution of the men data is rightly skewed. The average income of the men was 47339 with a standard deviation of 6342.3. The 80th percentile of the income in Men is $52679.22.
The data had income inequalities based on gender. According to the data, Men had earned a higher income than women.
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casestudyPart3.docx
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The dataset came from the American Consumer Survey, which was part of the Census in 2013. The dataset mainly contained the income of three groups of individuals, which include white women, black women, and men. A one-sample t-confidence interval was performed to determine the range at which the mean income of each individual lies.
The average income earned by white women, black women, and men is $39929.88, $33620.10, and $47339.22, respectively. The first sample t confidence interval was performed at a 90% confidence interval. From the table above, we are 90% confident that the mean income of white women is between 38243.03 and 41616.73, that of black women lies between $32133.43 and $35106.77, and that of men lies between $45850.85 and $48827.58.
Moreover, another one-sample t test was performed at a 98% confidence interval. From the table above, we are 98% confident that the mean income of white women is between $37510.92 and 42348.85, that of black women lies between $31478.60 and $35761.61, and that of men lies between $45204.88 and $49473.55.
Therefore, the width of the confidence interval increases as the confidence interval increases. This is because the error bound becomes large as the confidence interval increases. The results above clearly show that men earn a higher income as compared to both white and black women.
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Part111.docx
1
Paired T test
The Data was collected by the American Consumer Survey as a part of the Census in 2013. The data was composed of the income of white women, black women, and all males. The first test is the paired t test which involves mean comparison between White women and Black women. The tests investigates whether the mean difference between white women and Black women is significantly different.
The results shows that the mean of the difference between white women and black women is significant, t (38) =12.825, p<0.0001. Since the p value is less than 0.05, the null hypothesis is rejected. Therefore, it can be concluded that the mean of the difference between White women and Black Women is significant.
The second test is the construction of the paired mean confidence interval between White and black women.
We are 95% confident that the mean of difference between white women and black women lies between 5909.0375 and 8124.0395.
The third test is the construction of the paired mean confidence interval between White women and men.
We are 95% confident that the mean of difference between White women and Men lies between -8515.80 and -6302.87.
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FinalProjectRubric.docx
Math 2101: Elementary Statistics Laboratory Name:
Report Grading Rubric