practice1Summer.pdf - Math 10 Exam 1 Topics u0083 u0083...

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Math 10 - Exam 1 Topics Types and Levels of data oCategorical, Discrete or Continuous oNominal, Ordinal, Interval or Ratio Sampling and Bias Descriptive Statistics oStem and Leaf Graph oDot Plot oGrouped Data Relative and Cumulative Relative Frequencies Histogram Ogive oMean, Median, Mode Skewness oRange, Variance, Standard Deviation Empirical Rule Z-Scores Using Range to estimate Standard Deviation oPercentiles, Quartiles Interquartile Range Box Plot oCorrelation Bivariate Data Scatterplot Correlation Coefficient oOutliers Identifying Effect of outliers on Descriptive Statistics Probability oEmpirical, Classical or Subjective oTerms and Laws of Probability Events and Outcomes Sample Space Complement Unions and Intersections Additive Rule oConditional Probability Tree Diagram Multiplicative Rule Independence Changing the conditionality oContingency Tables Discrete Random Variables oMean and Standard Deviation oProbability distribution function (pdf) oProbability problems oBinomial Distribution oPoisson Distribution Continuous Random Variables oMean and Standard Deviation oProbability density function (pdf) oProbability and Percentile problems oUniform Distribution oNormal Distribution oExponential Distribution Central Limit Theorem opdf of the random variable X(3 important parts) oProbability Questions You must bring a picture ID to the exam. You may bring 4 pages of HANDWRITTENnotes to the exam. Bring your probability tables (Binomial Normal, etc) Bring Pencil, Calculator and your notes to the exam–no sharingis allowed during the exam. No cell phone calculators. Cell Phones, iPods, PDAs, and other electronic devices must be turned offand put away. Manage your time so you can attempt every question.
Practice Questions for Exam 11.Two major plants (A and B) are supplying power to an electrical grid. Plant A has a 10% of shutting down. Plant B has a 10% of shutting down if A is operating and a 20% chance of shutting down if A is down. Rolling blackouts will occur if either of these plants shut down. a.Draw a tree diagram of all possibilities, starting with Plant A operating or not operating. b.Determine the probability of a rolling blackout. 2.The data shown in the scatter plot is the distance traveled and the airfare for 12 flights on Delta Airlines: a.Which of the following is a reasonable estimate of the correlation coefficient? (Circle one answer)

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