Scientific tools/SI units

is an interpretation of observations

explanation

is the internationally accepted system for measurement.

international System of Units

are the number of digits in a measurement that you know with a certain degree of reliability

significant digits

is a spoken or written summary of observations

description

is the middle number in a data set when the data are arranged in numerical

median

of a data set is the sum of the numbers in a data divided by the number of entries in the set

mean

is the difference between the largest and the smallest number in the data set

range

of a data set is the number or item that appears most often

mode

the international system of units (SI) uses what, to identify the size of the unit

prefixes

because SI based on blank, it is easy to convert from one SI unit to another

ten

to convert SI units, you must multiply or divide by

factors of ten