# STATISTICS

Course Project: AJ DAVIS DEPARTMENT STORES Introduction | Project Part A: Exploratory Data Analysis | Project Part A: Grading Rubric | Project Part B: Hypothesis Testing and Confidence Intervals | Project Part B: Grading Rubric | Project Part C: Regression and Correlation Analysis | Project Part C: Grading Rubric Introduction AJ DAVIS is a department store chain, which has many credit customers and wants to find out more information about these customers.

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Course Project: AJ DAVIS DEPARTMENT STORES Introduction | Project Part A: Exploratory Data Analysis | Project Part A: Grading Rubric | Project Part B: Hypothesis Testing and Confidence Intervals | Project Part B: Grading Rubric | Project Part C: Regression and Correlation Analysis | Project Part C: Grading Rubric Introduction AJ DAVIS is a department store chain, which has many credit customers and wants to find out more information about these customers. A sample of 50 credit customers is selected with data collected on the following five variables: LOCATION (Rural, Urban, Suburban) INCOME (in \$1,000’s – be careful with this) SIZE (Household Size, meaning number of people living in the household) YEARS (the number of years that the customer has lived in the current location) CREDIT BALANCE (the customers current credit card balance on the store’s credit card, in \$). The data appears below, and is available in Doc Sharing Course Project Data Set as an EXCEL file: LOCATION INCOME(\$1000)