2022 Introduction to Statistics in Research Mitchell 2nd ed

I N T R O T O R E S E A R C H : D A T A V I S U A L I Z A T I O N & C O M M O N S T A T T E S T S

5) Plug in quiz score by dragging to X axis 6) Say OK to see simple dot plot of Quiz Score.

Table 84: Simple Dot Plot in SPSS, step 3

Table 85: Simple dot plot illustration in SPSS

Feel free to watch the video: 1:33 minutes

Mitchell, J. (2021, Apr 1). Simple Dot Plot in SPSS Version 27. [Video]. YouTube. Available from https://youtu.be/Vr2HDDp13tQ

As mentioned in the video, the graphic show a symmetrical distribution with no unusual observations. If you draw a line over the dot plot, you see only one peak. A single peak tells us that it is unimodal.

Distributions with two peaks are bimodal, and with more than two peaks are multimodal.

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