A 95% confidence interval for a population mean was reported to be 152 to 160. If = 15, what sample size was used in this study?
Follow Math Help Forum on Facebook and Google+
Originally Posted by tonio77 A 95% confidence interval for a population mean was reported to be 152 to 160. If = 15, what sample size was used in this study? Solve the following equations simultaneously for n: .... (1) .... (1) where .
View Tag Cloud