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Study Guide

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# Statistics

Statistics meets the requirements for the DSST examination. This exam covers material normally taught in a one-semester introductory course in statistics at the undergraduate level. You must have a basic knowledge of algebra. The exam tests the following abilities:
• Interpretation of various types of data
• Determination of implications and consequences
• Performance of statistical calculations
• Use of abstractions and concrete situations
• Performance of statistical calculations

Topics covered in this course are:
• Descriptive Statistics
• Histograms
• Averages
• Standard deviation
• Normal approximation for data
• Standard units
• Areas under the normal curve
• Quartiles
• Percentiles

• Correlation and Regression
• Scatter diagrams
• Correlation coefficient
• Estimation and the line of best fit

• Probability
• Basic concepts
• Dependent and independent events
• Compatible and incompatible events
• Binomial formula
• Combinations and permutations

• Chance Models and Sampling
• The law of averages
• Expected values
• Standard error
• Normal approximation
• Confidence intervals
• Sample size
• Sample average
• Estimating accuracy of sample average

• Test of Significance
• Null hypothesis
• Significance levels
• Comparing two samples
• T-test and x2 Test

(Taken from “Principles of Statistics,” DSST Fact Sheet, Thomson Prometric)
 The required textbook(s) for the Traditional course are listed below. Modern Elementary Statistics      12th by Freund, John E. / Perles, Benjamin M. - Pearson Prentice Hall, 2007     ISBN 9780131874398 Modern Elementary Statistics Student Solution Manual      12th by Freund, John E. / Perles, Benjamin M. - Pearson Prentice Hall, 2007     ISBN 9780131874428