Which of the Following Is the Definition of "Inferential Statistics

Which of the following is the definition of "inferential statistics"?

A) statistical procedures that allow researchers to draw inferences about how statistically meaningful a study's results are
B) statistical tests that assess how likely it is that a study's results occurred merely by chance
C) averages that are calculated by adding up a set of quantities and multiplying the sum by the total number of quantities in the set
D) statistical procedures that organize and summarize research data