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Exam1_review_Spring_2011

# Exam1_review_Spring_2011 - Review material for Exam I for...

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Review material for Exam I for ENGR 0020 Chapter 1 – Descriptive statistics 1. Graphical / Tabular Stem and Leaf Diagrams How to make How to read Frequency Distribution Histogram 2. Measures of Location Mean Median Mode 3. Measures of Variability Range Variance, Standard Deviation s 2 = 1 2 ) ( - - n i X i X = 1 2 ) ( 2 - - n n i i X i i X Box Plot Chapter 2 – Probability 1. Sample Space and Events Sample Space Event Simple Compound Union ( t ), Intersection ( ), and Complement Mutually Exclusive 2. Probability Axioms

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P(A) 0 P(S) = 1 If A 1 ...A n are Mutually Exclusive 1 ) ( = n i A P t n i i A 1 1 = = What does Probability mean? Properties of Probability P(A) = 1 - P(A ) If A & B are Mutually Exclusive, P(A B) = 0 P(A t B) = P(A) + P(B) - P(A B) 3. Counting Methods Product Rule n 1 * n 2 * n k Tree Diagram Permutation P k,n = k)! - (n n! Combination C k,n = ! ! ) ( ! k k n n - 4. Conditional Probability P(A|B) = ) ( ) ( B P B A P 5. Bayes Theorem (n mutually exclusive and exhaustive events) = = i i A P i A B P j A P j A B P B
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Exam1_review_Spring_2011 - Review material for Exam I for...

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