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Statistics > QUESTIONS & ANSWERS > sta 200 Assignment3 (All)

sta 200 Assignment3

Document Content and Description Below

Identifying Information Part A: Inferential Statistics Data Analysis Plan and Computation Introduction: Scenario: Evaluate how annual household expenditures are affected by income, marital status, ... family size, and housing cost. Variables Selected: Table 1: Variables Selected for Analysis Variable Name in the Data Set Variable Type Description Qualitative or Quantitative Variable 1: Marital Status Socioeconomic Marital Status of Head of Household (Not Married/Married) Qualitative Variable 2: Annual Expenditures Expenditure Total Amount of Annual Expenditures in USD Quantitative Variable 3: Housing Expenditure Total Amount of Annual Expenditure on Housing in USD. Quantitative Data Analysis: 1. Confidence Interval Analysis: For one expenditure variable, select and run the appropriate method for estimating a parameter, based on a statistic (i.e., confidence interval method) and complete the following table (Note: Format follows Kozak outline): Table 2: Confidence Interval Information and Results Name of Variable: Housing State the Random Variable and Parameter in Words: x = Annual expenditure on housing μ = mean annual expenditure on housing Confidence interval method including confidence level and rationale for using it: Confidence Interval for One Population Mean (t-Interval) at 95% confidence level used which is a common way to estimate means. [Show More]

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