STAT 200 Week 7 – Assignment #3
Assignment #3 – Inferential Statistics Analysis and Writeup
Dwight Wallace
Class: STAT 200 Spring
Instructor:
Date: May 1, 2021
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 . Statistics homework help. |
| Excel is used |
| State and check the assumptions for confidence level and rationale for using it:
a) |
| Confidence Interval:
|
| Statistical Interpretation:
|
Table 3
Part B: Results Write Up
Two Sample Hypothesis Test Analysis:
Discussion
.