Statistics Review Sheet for Exam 2: Chapters 5, 6, and 7 - Prof. Ngoc Bui, Exams of Statistics

Download Statistics Review Sheet for Exam 2: Chapters 5, 6, and 7 - Prof. Ngoc Bui and more Exams Statistics in PDF only on Docsity! PSY 305 Page 1 of 1 Statistics Review Sheet Review for Exam 2 (Chapters 5, 6, 7) Chapter 5 Key terms Raw score Deviation score Standardized distribution Standardized score z-score z-score transformation Know how to transform X values into z-scores, and z-scores into X values. Know how to calculate the standard deviation based on z-scores, x-value, and mean Know how to calculate the mean based on z-scores, x-value, and standard deviation. Understand and describe the effects of standardizing a distribution by transforming the entire set of X values into z-scores (e.g., what happens to the shape, the mean, and the standard deviation?) Be able to use z-scores to transform any distribution into a standardized distribution with a predetermined mean and a predetermined standard deviation Chapter 6 Key terms Probability Simple random sample Sampling with replacement Unit normal table Be able to use the unit normal table to find probabilities for specific scores in a normal distribution and to find the scores that correspond to specific proportions of a normal distribution Chapter 7 Key terms Sampling error Sampling distribution Expected value of M Law of large numbers Distribution of sample means Central limit theorem Standard error of M Be able to determine the probabilities corresponding to specific sample means using the distribution of sample means, z-scores, and the unit normal table