The document describes using SPSS descriptive statistics to analyze customer spending data from a telecommunications company. The company maintains a database with customer spending on long distance, toll-free, equipment rental, calling card, and wireless services from the previous month. The descriptive statistics will determine which services are most profitable by analyzing the mean, median, standard deviation, minimum, maximum, skewness, and kurtosis of customer spending for each service.

1. SPSS: Descriptive Statistics
by Selvarasu A Mutharasu, Annamalai University
Date: 19-01-2015 Time: 9:00 - 11:00
Venue: Lab II Room No.

2. Descriptives File: telco.sav
A telecommunications company maintains a customer
database that includes, among other things, information on
how much each customer spent on long distance, toll-free,
equipment rental, calling card, and wireless services in the
previous month.This information is collected in telco.sav.
Use Descriptives to study customer spending to
determine which services are most profitable.

3. Menu
screen
for
Descriptive
Analysis

4. Exercise
Select
1. Long distance last month,
2. Toll free last month,
3. Equipment last month,
4. Calling card last month, and
5. Wireless last month
as analysis variables.

5. Selected Variable Screen

6. Descriptive Summaries
1. Mean,
2. Median,
3. Std Deviation,
4. Minimum,
5. Maximum
6. Recode into the same variable
7. Skewness
8. Kurtosis
9. Log transformed data
10. z-Score data
11. Box Plot for case by case