PART ONE: Answer questions 1 - 4 with the data provided.

1. The US Census Bureau’s American Community Survey reported the percentage of children under 18 years of age who has lived below the poverty level during the previous 12 months. The region of the country, North East ( NE), South East (SE), Midwest (MW), South West (SW), and West (W) and the percentage of children under 18 who had lived below the poverty level are shown for each state (See the file Poverty Level).

• What is the median poverty level percentage for the 50 states?
• Calculate the variance and standard deviation for poverty level percentage
• What are the first and third quartiles? What is your interpretation of the quartiles?
• Identify the states in the lower quartiles. What is your interpretation of this group and what region or regions are represented most in the lower quartile?

2. You are given the data from the US Census Bureau with the population by state in million of people (See file population)

• Develop a frequency distribution, a percentage frequency distribution and histogram. Use a class with of 2.5 million
• Discuss the skewness in the distribution
• What observations can you make about the population of the 50 states?

3. You are given the following data (see the Professional file)

• Develop appropriate descriptive statistics to summarize the data
• Develop 95% confidence interval for the mean age and household income
• Develop a 95% confidence interval for the proportion of people who have broadband access at home and the proportion of people who have children

4. Consumption of alcoholic beverage by young women of drinking age has been increasing in the United Kingdom and Europe. Data (annual consumption in liters) are showed for a sample of 20 European young women ( See file Alcohol)

• Assuming the population is roughly symmetric, construct a 95% confidence interval for the mean annual consumption of alcoholic beverages by European young women
• Write an executive summary of the paper , using the first 4 tables as the background. Discuss the impact of assets on women after marital disruption. Discuss what you learn from the paper.

2. Develop your own summary statistics and diagrams , based on the data sources cited in the report. Construct the 95% confidence intervals.

3. Consider what new data sources could supplement what is presented in the paper. What sampling strategies could augment what is present around key policy issues.

4. Establish key findings . The conclusion should include a summary of the findings, lessons learned, the larger generalizable picture, and unintended outcomes.

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