P.P.D.A.C cycle
Problem-what?, who?, how?,
Plan-how to gather data?
Data- how the data is collected and managed and organized
Analysis- exploring and reasoning
Conclusion-Answering the question 
Quantitative (QN) vs Qualitative (QL)
QN means- a answer that includes a number/s
QL means category data. Answers in words .
Discrete (D) VS
Continuous (C)
D whole numbers
C numbers that can be in the decimals.