User Guide

Chapter
11
Additional S
tatistical Procedures
This chapter contains brief examples for selected statistical procedures. The
procedures
are grouped according to the order in which they appear on the Analyze
menu.
The examples are designed to illustrate sample specifications required to run a
statistic
al procedure. The examples in this chapter use the data file demo.sav,except
for the following:
 The paired-samples t test example uses the data file dietstudy.sav,whichisa
hypotheti
cal data file containing the results of a study of the “Stillman diet.” In
the examples in this chapter, you must run the procedures to see the output.
 The correlation examples use Employee data.sav, which contains historical
data about a company’s employees.
 The exponential smoothing example uses the data file inventor.sav,which
contains
inventory data collected over a period of 70 days.
For infor
mation about individual items in a dialog box, click
Help. If you want to
locate a specific statistic, such as percentiles, use the Index or Search facility in the
Help system. For additional information about interpreting the results obtained by
running
these procedures, consult a statistics or data analysis textbook.
Summarizing Data
The Descriptive Statistics submenu on the Analyze menu provides techniques for
summari
zing data with statistics and charts.
217