ec41lecture7_handout-1

ec41lecture7_handout-1 - Statistics for Economists Lecture...

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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Statistics for Economists Lecture 7 Kata Bognar UCLA April 22, 2010
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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Announcements Answer key for the midterm is online. Homework 1 grades are in Gradebook, TAs will hand them back. Homework 2 solutions will be available this afternoon.
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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Last Lectures Variables, frequency distributions Experiments, outcomes, events, probability
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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Today’s Outline 1 (Discrete) Random variables 2 Binomial distribution 3 Readings: Weiss, Chapter 5.1 - 5.3 4 Readings for next class: Weiss, Chapter 5.3 - 5.4
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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Random Variables A random variable is a variable whose value depends on chance. A discrete random variable is a random variable whose possible values can be listed. A continuous random variable is a random variable whose possible values are from an interval. Notation: X , Y , Z
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Statistics for Economists Lecture 7 Kata Bognar UCLA Random Variables Expected Value and Variance Binomial Distribution Discrete Probability Distribution
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ec41lecture7_handout-1 - Statistics for Economists Lecture...

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