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Dashboard DAT Prep

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DAT Prep/Quantitative Reasoning/Probability and Statistics

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Counting Methods

Factorials and Factorial Cancellation Linear Arrangements and the Block Method Arrangements With Identical Items The Fundamental Counting Principle Permutations When Order Matters Combinations When Order Does Not Matter

Probability of Single Events

Probability as Desired Over Total Outcomes Complements and At Least One Problems Coin Flips and Exactly k Heads in n Flips Dice Sums and the Thirty-Six Outcome Grid Card Probabilities With and Without Replacement Marble Draws and Solving for a Count

Combining Events

Mutually Exclusive Events and the Addition Rule Overlapping Events and Subtracting the Intersection Independent Events and the Multiplication Rule Dependent Events and Drawing Without Replacement Conditional Probability

Measures of Center and Spread

Mean of a Data Set and Target Average Problems Median Mode and Range Weighted Mean from a Frequency Table Standard Deviation and Its Computation Properties of Standard Deviation

The Normal Distribution and Measures of Position

The Normal Distribution and the 68-95-99.7 Rule Z-Scores and the Standard Normal Quartiles and the Interquartile Range

Topics

Mean of a Data Set and Target Average Problems Median Mode and Range Weighted Mean from a Frequency Table Standard Deviation and Its Computation Properties of Standard Deviation

Measures of Center and Spread

Properties of Standard Deviation

Summary

Practice Questions

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