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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4.3 Identifying Points on a Graph
Consider a new file, CARS.MTW, to demonstrate Minitab possibilities to identify points on graphs.
This file contains 14 columns corresponding to different characteristics of 236 cars; the data is taken from the website of the Spanish Royal Automobile Club (Real Automóvil Club de España) in January 2011. This file is organized as follows:
| Column | Variable |
| C1 | Maker |
| C2 | Model |
| C3 | Price (in Euros) |
| C4 | Number of cylinders |
| C5 | Displacement (cc) |
| C6 | Power (CV) |
| C7 | Length (cm) |
| C8 | Width (cm) |
| C9 | Height (cm) |
| C10 | Luggage capacity (litres) |
| C11 | Weight (kg) |
| C12 | Consumption (litrs/100 km) |
| C13 | Maximum speed (km/h) |
| C14 | Acceleration (seconds going from 0 to 100 km/h) |
Plotting price(Y) with respect to power(X):
A simple way to identify cars with high prices in relation to their power consists on placing the cursor over the dots corresponding to observed high prices. Indeed, if you do so, after a while a small information box appears containing the row number corresponding to the data point together with its respective Y and X values.
Alternatively, you can identify points on a graph using: Editor > Brush. This will open up a small box containing the row-numbers corresponding to the marked data points. It is possible to mark a single ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.