October 2012
Beginner
420 pages
9h 37m
English
book
Industrial Statistics with Minitab
by Pere Grima Cintas, Lluis Marco Almagro, Xavier Tort-Martorell Llabres
Content preview from Industrial Statistics with Minitab
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23.2 Exploratory Analysis
To start, the best strategy consists in taking a look at the data and a good way to do this is through: Graph > Matrix Plot: Simple
In the previous plot, observe that there is only one car with five cylinders. Use the option Brush (see Chapter 4) to identify that this point belongs to a Volvo 850 GLT.
Also, it seems that the relationship between power and maximum speed is not linear but quadratic. We will try to confirm this impression by analyzing the corresponding residuals.
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