USING LETTERS

USING NUMBERS

A CONCLUSION REACHED ON THE BASIS OF EVIDENCE AND REASONING

A VARIABLE (OFTEN DENOTED BY X ) WHOSE VARIATION DOES NOT DEPEN

A VARIABLE (OFTEN DENOTED BY Y ) WHOSE VALUE DEPENDS

A METHOD OF PROCEDURE THAT HAS CHARACTERIZED NATIONAL SCIENCE

A SUPPOSITION OR PROPOSED EXPLANATION MADE ON THE BASIS

VARIABLES IN AN EXPERIMENT VARIES, BUT THERE IS OFTEN MORE THEN ONE