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Lecture 1

# ECON 2201 Lecture Notes - Lecture 1: Type I And Type Ii Errors, Gie, Central Limit Theorem

Department
Economics
Course Code
ECON 2201
Professor
Valerie Rochester
Lecture
1

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1
2201 FINAL EXAM REVIEW SUMMARY AND REMINDERS
TOPIC 1
Sample vs population notation: Greek vs Roman
TOPIC 2
Formula and symbols especially for population and sample mean, variance, and standard deviation
Meaning of percentiles
Empirical rule
Standardized scores
TOPIC 3
Frequencies and relative frequencies
TOPIC 4
All definitions of terms not to memorize but to understand
All rules of probability
Bayes theorem and how to solve joint probability table, tree diagram, formula, or calculation table
TOPIC 5
Random variables and probability distributions how to derive and the properties and how to calculate
mean and standard deviation in the general case
Counting rule
Binomial distribution properties, calculation, mean and standard deviation
Poisson distribution properties, calculation, mean and standard deviation
Hypergeometric distribution properties, calculation for 2 outcomes and general case
Be sure you can recognize which of the distributions to use in a problem clues: what are you given;
what are you asked to find, etc.
TOPIC 6
Properties of the Normal distribution and how to find probabilities using the tables from z value to
probability and from probability back to z value! DRAW THE PICTURE!
Uniform distribution properties, calculation, mean and standard deviation
Exponential distribution properties, calculation, mean and standard deviation how it relates to the
Poisson and how it differs - how to know which one is which in a question
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