graph LR
    idea_268470a6_3c49_40e0_96fe_b4fbb144b490["Pearson Product-Moment Correlation Coefficient in Statistics"]
    idea_6965c997_b741_4d44_969d_1556e6348a2d["Spearman Rank Correlation"]
    idea_a7ab481a_2105_4be2_b5e7_c8396fc49352["Mathematics for nonmathematicians (engineering, social sciences, etc.)"]
    idea_268470a6_3c49_40e0_96fe_b4fbb144b490 --> idea_6965c997_b741_4d44_969d_1556e6348a2d
    style idea_a7ab481a_2105_4be2_b5e7_c8396fc49352 fill:#7f1d1d,stroke:#450a0a,color:#fca5a5
    style idea_6965c997_b741_4d44_969d_1556e6348a2d fill:#e5e7eb,stroke:#9ca3af,color:#374151
    style idea_268470a6_3c49_40e0_96fe_b4fbb144b490 fill:#fef3c7,stroke:#f59e0b,color:#92400e