Efron, Bradley, 375

Empirical rule

• for discrete random variable, 175–176

• explanation of, 72

• use of, 73–75, 188

Estimated standard error of regression model, 519

Estimation, regression modeling and, 542–546

Estimation error, 8

Estimators

• interval, 254

• point, 254

Ethics

• assessment of, 18

• correlation coefficient use and, 534

• intentional omission of experimental units in sampling and, 286

• in statistical practice, 16–18, 98–101, 286, 322

Events

• calculating probability of, 122–123

• complementary, 133–135

• compound, 130

• dependent, 148–150

• explanation of, 122

• independent, 148–151

• mutually exclusive, 136–137

• union and intersection of, 130–133, 145–148

Expected value, of discrete random variables, 174–177

Experimental units, 5

Experiments. See also specific types of experiments

• explanation of, 117

• outcomes of, 117–119