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3818ExamReview

# 3818ExamReview - ECON 3818-100 Exam 1 Review Topics Chapter...

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ECON 3818-100 Exam 1 Review Topics Chapter 1 1. Vocabulary a) Statistics b) Individuals c) Variable d) Categorical variable e) Quantitative variable f) Distribution g) Pie chart h) Bar graph i) Histogram j) Time series k) Cross section 2. Skills – given a dataset, you should be able to produce the following: a) Pie chart b) Bar graph c) Histogram (for quantitative variables) d) Stemplot Chapter 2 1. Vocabulary (know the definition and the abbreviation if appropriate) a) Symmetric b) Skewed right c) Skewed left d) Mean e) Median f) First quartile g) Third quartile h) Five number summary i) Boxplot j) Standard deviation 2. Calculations a) Mean: = = n i i x n x 1 1 b) Median position 2 1 + = n c) First and third quartiles: see pages 37 – 38 for complete explanation d) Standard deviation: ( ) = = n i i x x n s 1 2 1 1 3. Calculator techniques a) 1-variable statistics (mean, standard deviation, median, and quartiles) 1 6/13/2006

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Chapter 3 1. Vocabulary a) Mathematical model b) Density curve (also know properties of density curves) c) Normal curve d) Mean of a density curve μ e) Median of density curve f) Standard deviation of density curve σ g) 68-95-99.7 rule h) Normal distribution N(μ, σ ) i) Standard normal distribution N(0, 1) j) Z-score k) Standard normal table 2. Calculations a) Area under normal curve using 68-95-99.7 rule b) Z-score: σ µ = x z c) Area under normal curve using z-score and standard normal table Chapter 4 1. Vocabulary a) Response variable (dependent variable) b)
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3818ExamReview - ECON 3818-100 Exam 1 Review Topics Chapter...

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