Measurements in Sceince

Accuracy: The agrees with the accepted or true value

Pression meanings:

  •    The agreement within a group of observations of the same quantity (these values are precise)

  • The ability to measure mass with a high degree of pression (Scale is precise)

Relaible: The repeatability of a measurement.

Factors that affect data:

Random errors: An equal chance of affecting the observed quantity, making it too high or too low76

Systematic error: Affect data the same each time.

Ruler A: 4.8 +- 0.1

Ruler B: 4.85 +- 0.05