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prac2stat - QUEEN MARY UNIVERSITY OF LONDON MTH 4106...

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Unformatted text preview: QUEEN MARY, UNIVERSITY OF LONDON MTH 4106 Introduction to Statistics Practical 2 17 January 2012 If you didn’t do so last week, please complete Practical 1 before going on to do the following. Remember to move to the Mathematics department >> Statistics I environment! Today we will • retrieve last week’s project, • learn how to do a stem-and-leaf plot in Minitab, • use the Help to find out how Minitab calculates certain descriptive statist- ics. 1 (Retrieving a previous project) Start Minitab and open the Minitab project that you saved in Practical 1. You can do this by opening the Project Manager , right-clicking on the folder labelled “Untitled”, and choosing Open Project . You should find your saved project in your folder STATS . I called it Poplar1.MPJ but you may have called it something different. How many graphs are open in your retrieved project? Count those that are minimized and any that are hidden behind the Session window and Data window as well as those that are obvious. Open graphs take up a lot of working memory. If you have not done so already, copy any graphs that you want into the Report Pad, save the Report Pad, and then close all the graphs. Is the Report Pad still open? If not, that is fine. If it is open, then make sure that you have saved it (see last week’s notes). Then either delete the con- tents of the Report Pad, or right-click on ReportPad , and choose Move to Word Processor , giving it a suitable name; this saves the old report and clears space to put things in a new project report. The result of thisto put things in a new project report....
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prac2stat - QUEEN MARY UNIVERSITY OF LONDON MTH 4106...

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