# Gm533 Aj Davis Part a

**Topics:**Standard deviation, Variance, Arithmetic mean

**Pages:**4 (654 words)

**Published:**December 11, 2012

Location| Frequency|

Urban| 21|

Suburban| 15|

Rural| 14|

From the frequency distribution and pie chart, it is clearly stated that the maximum number of customers belongs to the rural category (42%),consequently by those in the suburban category (30%). Only 28% of the customers belong to the urban category.

The 2nd individual variable considered is Size. It is a quantitative variable. The measures of central tendency, variation and other descriptive statistics have been intended for this variable and are given as follows: Descriptive Statistics:|

Size|

Mean| 3.42|

Standard Error| 0.24593014|

Median| 3|

Mode| 2|

Standard Deviation| 1.73898868|

Sample Variance| 3.02408163|

Kurtosis| -0.7228086|

Skewness| 0.52789598|

Range| 6|

Minimum| 1|

Maximum| 7|

Sum| 171|

Count| 50|

Frequency Distribution:|

Size| Frequency|

1| 5|

2| 15|

3| 8|

4| 9|

5| 5|

6| 5|

7| 3|

The mean household size of the customers averages 3.42. The median of the data is 3 and the mode is 2. The standard deviation is given approximately as 1.74. Maximum number of customers has a household size of 2 as is states from the frequency distribution and the bar graph.

The 3rd individual variable considered is Credit Balance. It is a quantitative variable. The methods of central tendency, variation and other descriptive statistics have been analyzed for this variable and...

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