anonymous
  • anonymous
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.
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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anonymous
  • anonymous
It should be neither. :) The average of the data is actually 11.005.
anonymous
  • anonymous
I really don't even know under what circumstances it could be "precise," since there's only one data as the outcome.
anonymous
  • anonymous
Are you sure because I cannot afford to lose any points right now.

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More answers

anonymous
  • anonymous
I'm quite sure. Is this Connections Academy?
anonymous
  • anonymous
Laurel Springs actually haha
anonymous
  • anonymous
Alright! Well yeah! I'm certain! :D
anonymous
  • anonymous
Thank you so much!
anonymous
  • anonymous
Can you help me with something else really fast?
anonymous
  • anonymous
Sure :)
anonymous
  • anonymous
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.
anonymous
  • anonymous
I think it is b but idk
anonymous
  • anonymous
It's C. It means that it's not accurate, so if something took EXACTLY 6 seconds, then it would be off.
anonymous
  • anonymous
I actually put that as my answer last time and it said it was wrong :(
anonymous
  • anonymous
Hm...
anonymous
  • anonymous
So, if that was incorrect, I feel the next best answer would be B like you said. :)
anonymous
  • anonymous
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."?
anonymous
  • anonymous
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...
anonymous
  • anonymous
So we KNOW it's not A or C.
Virnios
  • Virnios
I'd have to agree that it'd be B as well.
anonymous
  • anonymous
Ok, thank you guys so much.
anonymous
  • anonymous
No problem! :)
anonymous
  • anonymous
Could I ask one more question... I am pretty sure about this one but I want to make sure
Virnios
  • Virnios
Go for it
anonymous
  • anonymous
Which ruler will produce a more accurate measurement? Wooden ruler Plastic ruler Metal ruler Cloth tape measure
anonymous
  • anonymous
I think it is metal
Virnios
  • Virnios
I'd say Metal as well.
anonymous
  • anonymous
Yay! I really appreciate your input. Thank you

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