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Statistics meets the requirements for both the DSST and ECE examinations. These exams cover 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. and from "Excelsior College Examination Content Guide for Statistics," Excelsior College Examinations.)