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anonymous

  • one year ago

Four people weigh a standard mass of 10.00 g on the same balance. The first person obtains a reading of 12.00 g, the second person reads 9.14 g, the third person reads 10.33 g, and the fourth person reads 12.55 g. These readings suggest the balance is Precise Accurate Neither accurate nor precise Accurate and precise I think it is precise. I am having the hardest time with this. Can someone please help.

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  1. anonymous
    • one year ago
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    It should be neither. :) The average of the data is actually 11.005.

  2. anonymous
    • one year ago
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    I really don't even know under what circumstances it could be "precise," since there's only one data as the outcome.

  3. anonymous
    • one year ago
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    Are you sure because I cannot afford to lose any points right now.

  4. anonymous
    • one year ago
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    I'm quite sure. Is this Connections Academy?

  5. anonymous
    • one year ago
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    Laurel Springs actually haha

  6. anonymous
    • one year ago
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    Alright! Well yeah! I'm certain! :D

  7. anonymous
    • one year ago
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    Thank you so much!

  8. anonymous
    • one year ago
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    Can you help me with something else really fast?

  9. anonymous
    • one year ago
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    Sure :)

  10. anonymous
    • one year ago
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    The question is which of the following is an example of measurement bias? A stopwatch is accurate to 1/100th of a second for each measurement. A stopwatch measures with a measurement interval of ±0.05 seconds in one day. A stopwatch cannot duplicate a measurement of precisely 3.00 seconds. A stopwatch must be calibrated before each use.

  11. anonymous
    • one year ago
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    I think it is b but idk

  12. anonymous
    • one year ago
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    It's C. It means that it's not accurate, so if something took EXACTLY 6 seconds, then it would be off.

  13. anonymous
    • one year ago
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    I actually put that as my answer last time and it said it was wrong :(

  14. anonymous
    • one year ago
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    Hm...

  15. anonymous
    • one year ago
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    So, if that was incorrect, I feel the next best answer would be B like you said. :)

  16. anonymous
    • one year ago
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    I think so too... Ugh, this is so confusing for me. You don't think it would "A stopwatch must be calibrated before each use."?

  17. anonymous
    • one year ago
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    That would really depend on what it would be used for. If you needed to keep using it, one time after another, then it would be D, but it doesn't specify what it would be used for...

  18. anonymous
    • one year ago
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    So we KNOW it's not A or C.

  19. Virnios
    • one year ago
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    I'd have to agree that it'd be B as well.

  20. anonymous
    • one year ago
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    Ok, thank you guys so much.

  21. anonymous
    • one year ago
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    No problem! :)

  22. anonymous
    • one year ago
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    Could I ask one more question... I am pretty sure about this one but I want to make sure

  23. Virnios
    • one year ago
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    Go for it

  24. anonymous
    • one year ago
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    Which ruler will produce a more accurate measurement? Wooden ruler Plastic ruler Metal ruler Cloth tape measure

  25. anonymous
    • one year ago
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    I think it is metal

  26. Virnios
    • one year ago
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    I'd say Metal as well.

  27. anonymous
    • one year ago
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    Yay! I really appreciate your input. Thank you

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