![]() ![]() Because the n trials are independent, the outcome of one trial does not help in predicting the outcome of another trial. ![]() The n trials are independent and are repeated using identical conditions. Testing the Significance of the Correlation Coefficient Hypothesis Testing for Two Means and Two Proportions Two Population Means with Known Standard DeviationsĬomparing Two Independent Population Proportions ![]() Two Population Means with Unknown Standard Deviations Hypothesis Testing of a Single Mean and Single Proportion Rare Events, the Sample, Decision and ConclusionĪdditional Information and Full Hypothesis Test Examples Outcomes and the Type I and Type II Errorsĭistribution Needed for Hypothesis Testing The Central Limit Theorem for Sample Means (Averages)Ī Single Population Mean using the Normal DistributionĪ Single Population Mean using the Student t Distribution Mean or Expected Value and Standard Deviationĭiscrete Distribution (Playing Card Experiment)ĭiscrete Distribution (Lucky Dice Experiment) Probability Distribution Function (PDF) for a Discrete Random Variable Independent and Mutually Exclusive Events Histograms, Frequency Polygons, and Time Series Graphs Stem-and-Leaf Graphs (Stemplots), Line Graphs, and Bar Graphs Definitions of Statistics, Probability, and Key Termsĭata, Sampling, and Variation in Data and Samplingįrequency, Frequency Tables, and Levels of Measurement
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