Lecture 4

Probability Distributions

Normal distribution

• Numerical Variable
  • Discrete N V
    • 一个一个的, 如人数
    • Poisson Distribution (Lec 7)
    • Binomial Distribution
  • Continuous N V
    • 连续的, 如GPA, 时间
    • Normal Distribution

Mean: 平均数 Median: 中位数 Mode: 众数

• Normal Distribution
  • 看slides

Sampling distributions

Central Limit Theorem