This is in Statistics. Explain comprehensively. Avoid plagiarism. thank you and Godbless. Just type only the answers.

1. Define variable, and explain the difference between a quantitative variable and a qualitative (categorical) variable. 2. Discuss the difference between cross-sectional data and time series data. Give one example for cross-sectional data in tabular form and one example for time series data presented using time series plot. Utilize available the data coming from your own work environment