To estimate a population mean the sample size needed to provide a margin of error of 2 or less with a .95 probability

FIN 230 Business Statistics (2017 Fall) In-class Problems (Chapter 7) 1. The standard deviation of is referred to as the Full Name: a. standard x b. standard error of the mean c. sample standard mean d. sample mean deviation 2. The nurnose of statistical inference is to provide