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  1. #1
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    Including x-bar symbol (XP)

    I need to include the statistical symbol x-bar (sample mean) on a number of slides, as shown below. I know how to do this using the Equation Editor and how to do this using an image of x-bar. However, both has significant problems, especially in PP. Moving the text does not move the associated symbol and resizing the text does not resize the equation. Plus, it's hard to get things positioned exactly right.

    Does anyone know a better way?

    Ronny
    Ronny Richardson

  2. #2
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    Re: Including x-bar symbol (XP)

    Perhaps you can find a special font with an x overbar character; it's not a Unicode character so the fonts that come with Windows don't contain it.

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    Re: Including x-bar symbol (XP)

    Ronny,

    OK - This is all new to me. The x-bar symbol is exactly what it says on the tin. An X with a 'bar' along the top edge.

    A quick search through fonts already installed on my PC reveals that the x-bar character is in a font called

    MS Reference 1

    The MS is a clue that the font is from microsoft.
    A search on google reveals that fonts comes with Encarta.
    This page confirms that: http://www.microsoft.com/typography/fonts/...uct.aspx?PID=73

    My PC came installed with Encarta Encyclopedia standard edition 2005. So that's probably why the font is installed on my PC.

    Revealed on the same google search is this page http://www.has.vcu.edu/che/Vallarino/font_install.htm

    Entering a regular lower case x in powerpoint using the MS reference 1 fonts results in the X-bar character.

    Cheers
    TAJ Simmons
    microsoft powerpoint mvp

    awesome - powerpoint backgrounds

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    Re: Including x-bar symbol (XP)

    Good job researching an arcane problem - thanks very much for helping with the Lounge and the PowerPoint forum in particular. <img src=/S/bravo.gif border=0 alt=bravo width=16 height=30>
    Wendell

  5. #5
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    Re: Including x-bar symbol (XP)

    I'm producing the PowerPoint presentation to use on other computers. I don't have the font but if I track it down and use it, will the slides show properly on other computers that don't have the font? If so, it's a perfect solution.

    Ronny
    Ronny Richardson

  6. #6
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    Re: Including x-bar symbol (XP)

    Normally, the font will not be available to users on other computers. But you can specify that TrueType fonts will be enclosed in the presentation, in the Save tab of Tools | Options...

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    Re: Including x-bar symbol (XP)

    TAJ,

    This is a very cool solution to a common problem for us statistics professors. Thanks a ton.

    Ronny
    Ronny Richardson

  8. #8
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    Re: Including x-bar symbol (XP)

    Ronny,

    There is an option in powerpoint to "embed" fonts. It's normally mentioned in powerpoint when you do a
    File menu > Save As.....

    However, some fonts have restrictions stopping them from being embedded.

    To learn everything there is to know about including the fonts with your presentation... see Embedding fonts http://www.rdpslides.com/pptfaq/FAQ00076.htm

    Cheers
    TAJ Simmons
    microsoft powerpoint mvp

    awesome - powerpoint backgrounds

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    Re: Including x-bar symbol (XP)

    Hi Ronny,

    Attached is a PPT file showing another approach - using an embedded Word Object.
    The 'X-bar' you're after is called a macron, and you can create them in Word using field coding. If you double-click the embedded object it should open in Word. If you then select one of the macron fields and press Shift-F9, you sould see the field coding. The remainder of the formulae could likewise be created in Word, again using fields (or the Equation Editor), but at least the attached gives you the general idea.

    Cheers
    Cheers,

    Paul Edstein
    [MS MVP - Word]

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