Which of the following is an example of systematic error?

A scientist misreads a ruler when measuring the length of an insect.

A rainstorm washes away soil in a plot of land where a scientist is testing the effect of a new fertilizer on grass.

A scientist measures the mass of a rock on an older scale that is imprecise.

A scientist spills a foreign chemical into a reaction vessel, changing the reaction.

Question

Which of the following is an example of systematic error?
	
A scientist misreads a ruler when measuring the length of an insect.
 	
A rainstorm washes away soil in a plot of land where a scientist is testing the effect of a new fertilizer on grass.
 	
A scientist measures the mass of a rock on an older scale that is imprecise.
 	
A scientist spills a foreign chemical into a reaction vessel, changing the reaction.

lowkey.s · Answer

https://explorable.com/systematic-error

lowkey.s · Answer

medal if help!

lowkey.s · Answer

an error having a nonzero mean, so that its effect is not reduced when observations are averaged.

@TylerMckinney16  
Medal if help!

lowkey.s · Answer

Please CLose this. Thank you for the medal!