MMBA-8 Data Analytics II capstone — Case Study 1 (Exploratory & Inferential). Reproducible Quarto analysis of 101 trading days of Nigerian FGN sovereign yields (1yr NTB + 11 benchmarks; 1,212 observations) using EDA, visualisation, hypothesis testing, correlation and OLS regression in R and Python panel-tabsets. Lagos Business School, April 2026.