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Aj Davis Statistical Analysis Part a

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Exploratory Data Analysis AJ Davis
Project Part A
January 18, 2013

Overview of Analysis 3 Individual Variable Analysis 4 Relationship between variables 8 Conclusion 10 Bibliography 11

Overview of Analysis
AJ Davis is a department store chain, which has many credit customers and wants to find out more information about these customers. The department store provided a sample of 50 customers.
The following data was provided for analysis: 1. Location a. Rural b. Urban c. Suburban 2. Income (measured in $1000’s) 3. Household size 4. Years in current location 5. Store credit balance

Individual Variable Analysis
Five individual variables were provided for analysis: Location, Income, Household size, Years at location and Credit balance. Below is a summary of the key points on the following individual variables: Location, Size and Credit Balance.
Variable: Location
The first individual variable summary presented is Location. The variable location has 2 subcategories from which data was reported: Rural, Urban and Suburban. As this is qualitative data only no measures of central tendency or descriptive statistics will be given. Based on the frequency distribution and the pie chart, the maximum number of customers from the sample live in Urban locations, with this variable representing 44% of the sample. Customers in the represented in the Rural areas is 26% and customers in the Suburban area represents 30% of the sampled customers. Frequency | Distribution | Location | Frequency | Urban | 22 | Rural | 13 | Suburban | 15 |

Pie Chart

Variable: Household Size
The second individual variable summary presented is Household size. The mean household size is 4.5 persons per household. The median is 4.5 and the data is bimodal with 1 and 8 being the data sets

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