Assignment #3 – Inferential Statistics Analysis and Writeup

Part A – Inferential Statistics Data Plan Analysis
Introduction:  I am 35 years old, married, have three children, and have a bachelors’ degree in business management and have a household income of $79,700, $17,600 in housing expenses, and $1900 in electricity expenses.  My focus is determining how marital status affects both housing and electricity expenses.
Table 1 – Variables Used for the Analysis

Data Set Variables Variable type Description Quantitative or Qualitative
Variable 1 – Marital status Socioeconomics Married head of household Qualitative
Variable 2 – Electricity Expenses Annual electricity expenses Quantitative
Variable 2 – Housing Expenses Annual housing expenses Quantitative

Data Analysis
Table 2:  Confidence Interval Information and Results

Variable – Housing
X = the annual expenses for housing
µ = the means of housing expenses annually
Excel is used
State and check the assumptions for confidence level and rationale for using it: 
Confidence Interval:
Statistical Interpretation: 

Table 3


Part B: Results Write Up
Two Sample Hypothesis Test Analysis: 

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