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Fall 2018

Jun Song

STAT 1221

These notes cover basic stat terms, how to represent data, and how to measure central locations of data.

Covers: Empirical rule Random Experiments Probability Percentiles 5 number summary Z-scores

Covers: Independent Events Check Independence Random Variable Probability Distribution Mean Expected Value Variance of Discrete Random Variable Standard Deviation of Discrete Random Variable

Covers everything thus far for the midterm.

These notes cover tails of general normal distribution, centeral limit theorem, and sample proportions.

The notes cover point estimate, interval estimate, confidence level, sample size considerations, and small sample size estimations for a pop mean.

Covers: normal population with a small mean, t-distribution, confidence intervals for population proportion, sample size considerations, and hypothesis testing.

Covers: Hypothesis tests (mean and proportion)

Covers everything that will be on the exam.

Covers- population mean, two samples, and matched pairs.