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Introduction to Statistics ECN2083 L, Kalybay Aigerim
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College of Social Sciences
Department of Economics
ECN2083 L, Kalybay Aigerim
Week 9
Solutions for Preparation for Midterm Exam II
Solutions for Preparation for Midterm Exam II
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Midterm 2 preparation solution.pdf
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◄ Preparation for Midterm Exam II
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Lecture#1: Statistics, Data, Statistical Thinking, Methods for Describing
Exercises#1
Lecture#2: Sets of Data
Exercises#2
Lecture#3: Probability
Exercises#3
Lecture#4: Distributions for Discrete Random Variables
Exercises#4
Lecture#5: Probability Distributions for Continuous Random Variables
Exercises#5
Preparation for Midterm Exam I
Solutions for Preparation for Midterm Exam I with my comments
Lecture#6: Sampling Distributions and the Central Limit Theorem
Exercises#6
Lecture#7: Estimation with Confidence Intervals and Tests of Hypotheses
Exercises#7
Key ideas: Confidence Interval and Test of Hypothesis
Commonly Used Values
Lecture#8: Confidence Interval and Test of Hypothesis about a Population Mean: Student’s t-Statistic
Exercises#8
Preparation for Midterm Exam II
Lecture#9: Inferences Based on a Single Sample: Population Proportion and Population Variance
Exercises#9
Lecture#10: Inferences Based on Two Samples
Exercises#10
Lecture#11: Comparing Two Population Proportions and Two Population Variances
Exercises#11
Lecture# 12: Simple Linear Regression
Exercises#12
Key ideas: Simple Linear Regression
Lecture#13: Time Series: Descriptive Analyses, Models, & Forecasting
Exercises#13
Key ideas: Time Series
Lecture#14: Categorical Data Analysis
Exercises#14
Key ideas: Contingency Tables
Preparation for Final Exam
Appeal
Lecture#9: Inferences Based on a Single Sample: Population Proportion and Population Variance ►
ECN2083 L, Kalybay Aigerim
Course info
Week 1
Week 2
Week 3
Week 4
Week 5
Week 6
Week 7: Mid-term Break
Week 8
Week 9
Week 10
Week 11
Week 12
Week 13
Week 14
Week 15
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