Managerial Statistics

Managerial Statistics

A. Brief Introduction:

In this report, you will find 50 credit using customers whose information was used as variables. These variables were income, location, size, credit balance and years. The information collected was used to learn about their customers, AJ DAVIS is using this information to have a better understanding while trying to expand their company.

B. Discuss your 1st individual variable, using graphical, numerical summary and interpretation:

The histogram above displays the data from the Income portion. This histogram of Income shows the graphs are not symmetrical. This histogram has a wide bell shape. From this, it shows there is a big difference between to the numbers generated in 20-40 and 50 and above. The income graph has a lower, less distinct peak.

The following displays the summary of Income:

Using the Anderson-Darling Normality Test, the P-value of the Income is 0.027 and the A-Squared is 0.85. With the 95% Confidence Interval for Mean, Median and standard deviation are below:

C. Discuss your 2nd individual variable, using graphical, numerical summary and interpretation :

The histogram above displays the data that fell in the Credit Balance section. In this graph, it shows it's symmetrical with one outlier at $2,000. It contains a single peak at the center of the chart.

The following table shows the numerical summary of Credit Balance:

Using the Anderson-Darling Normality Test, the P-value of the Credit Balance is 0.400 and the A-Squared is 0.38. With the 95% Confidence Interval for Mean, Median, and Standard Deviation:

D. Discuss your 3rd individual variable, using graphical, numerical summary and interpretation:

This graph shows the data within the Size variable. In this Histogram of Size, it shows it is not symmetrical. This graph also has a wider bell shape. The graph is skewed right. Size has a lower value of kurtosis which indicates a lower, less distinct peak.

The following is the summary of Income:

Using the Anderson-Darling Normality Test, the P-value of the Size is .005 and the A-Squared is 1.59. With the 95% Confidence Interval for Mean, Median, and St Dev are as followed:

Two member household is by far the highest of