Math 160 Exam #2

Math 160 Exam #2

1. Chapter 4

   • Randomness
     • all outcomes have to be uncertain before hand but nontheless able to create a normal dist in with many repetitions
   • Probability Models
     • X | P(x) 1 | 1/6  2| 1/6  3| 1/6  4| 1/6  6| 1/6
   • Random variables
   • Means and Variances of Random Variables
   • General Probability Rules
     • Disjoint
       • No outcomes can occur at the same time. 
     • Addition rule
   • Probability
     •  The Probability of any outcome of random phenomena. repeated many times can create a 
     • Expected Value
   • Tree Diagram
   • Variance
   • Sample Space

2. Chapter 5

   • Central Limit Theorum
     • MuXbar= Mu SDx= Sd/N squared
   • Xbar
   • Mean and SD of Sample mean
   • Binomial Distribution
     • Mean and standard deviations
   • Law of Large Numbers
   • Variance
   • Continuous Random Variable
   • Discrete Random Variable

3. Union

4. Intersection

5. Independant

6. Uniform Distribution

7. Intersection

8. Chapter 3

   • Surveys
   • Populations
   • Sample
   • Population
   • Observational Study
   • Experiments
     • Outcomes
     • Lurking Variables
     • Placebo
     • Randomization
     • Double blind
     • Simple Random Sample
     • Undercoverage
     • Nonresponse
     • Parameter
     • Statistic
     • Sampling distribution
   • Treatment
   • Experimental Unit
   • Bias
   • Response Rate

9. Chapter 1&2

   • Modes
   • Distribution
     • Normal Distribution
       • 68-95-99.7 Rule
       • Z-scores
       • Relationships
       • Response variable
       • Explanitory variable
       • Scatter Plot
       • Least Squares Regression
         • R(squared)
     • Conditional Distribution
     • Marginal Distribution
   • Symmetric
   • Graph
     • Bar Graph
     • Pie Chart
     • Histogram
       • Shape
       • Center
       • Spread
     • Five Number Summary
     • Residual Plot
     • Lurking variable
     • Two-way Table
   • Outlier
   • Time plot
   • Mean
   • Variable
     • cateogorical
     • Quantitative
     • Causation(?)
   • Median
   • Standard Deviation
   • Quartiles
   • Boxplots
   • Interquartile Range
     • Normal quantile plot
   • Simpsons paradox

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