• ## Summary

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• 00:05

HERSCHEL KNAPP: Welcome to Introductory Statistics usingSPSS, Second Edition.This video shows how to process descriptive statisticsfor continuous variables.You can watch the entire video or use the time sliderto navigate directly to any time point.[Descriptive Statistics, Continuous-- Overview]

• 00:27

HERSCHEL KNAPP [continued]: Continuous variables, such as age, weight, or test score,can be summarized using a small group of descriptive statisticsand graphics.The n is the total number of itemscontained within the variable.The mean is the average.The median is the center number if we arrange the numbers

• 00:47

HERSCHEL KNAPP [continued]: from the lowest to highest.The mode is the most common number.Standard deviation represents the dispersion of the data.The variance is the standard deviation squared.Minimum is the lowest number.Maximum is the highest number.Range is the difference between the maximum and the minimum.

• 01:09

HERSCHEL KNAPP [continued]: Just subtract them.And finally, we can order a histogramwith normal curve, which provides an intuitivegraph representing the numbers contained within the variable.[Descriptive Statistics, Continuous-- Test Run]This example uses the data set Ch 04-- Example 01--

• 01:29

HERSCHEL KNAPP [continued]: Descriptive Statistics.sav.This data set contains two variables--Gender, a categorical variable, and Age, a continuous variable.We'll order descriptive statistics for Age.Click Analyze, Descriptive Statistics, Frequencies.

• 01:53

HERSCHEL KNAPP [continued]: Move Age to the Variables window,and click on Statistics.Under Central Tendency, check Mean, Median, and Mode.Under Dispersion, check Standard deviation, Variance, Range,Minimum, and Maximum.

• 02:16

HERSCHEL KNAPP [continued]: Click Continue.Click Charts, and select Histograms with Shownormal curve on histogram.Click Continue.For simplicity, uncheck Display frequency tables.Click OK, and it processes.

• 02:36

HERSCHEL KNAPP [continued]: [Descriptive Statistics, Continuous-- Results]Here we see the summary statistics for Agealong with the corresponding histogram with normal curve.This concludes this video.

### Video Info

Series Name: Introductory Statistics Using SPSS

Episode: 3

Publisher: SAGE Publications, Inc.

Publication Year: 2017

Video Type:Tutorial

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### Segment Info

Segment Num.: 1

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Events Discussed:

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## Abstract

Professor Herschel Knapp introduces the concept of continuous variables and explains how to apply them in SPSS. He demonstrates how to conduct data analysis with continuous variables and how to use SPSS to produce reports.