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anonymous

  • 4 years ago

a steel tape measure calibriated for use @ 20C will yield length in error for 30 C. would we need to reduce or increase the lengths measured @ 30 C. please explain

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  1. anonymous
    • 4 years ago
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    I woudl assume you would need to decrease the length of measurments taken from a tape measure calabriated for a tempature that is lower than the enviornment that you are taking the measurements in.

  2. anonymous
    • 4 years ago
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    i thought so too but it is increase

  3. anonymous
    • 4 years ago
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    well thats kinda strange, I have never ran into a problem like that. I was just doing my best to reason it out.

  4. anonymous
    • 4 years ago
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    thank you. quick question do you know if in standard deviation we keep units

  5. anonymous
    • 4 years ago
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    yes it should be the same unit as your mean. or x-bar depending on what formula you are using.

  6. anonymous
    • 4 years ago
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    what about deviation

  7. anonymous
    • 4 years ago
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    yea I would keep units for anything you do in chemistry class.

  8. anonymous
    • 4 years ago
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    thank you

  9. anonymous
    • 4 years ago
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    anytime.

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