Quantitative: 2 Arm: Independent Samples

Another important factor for determining sample size is the number of times Jill plans on measuring the size of the tumor. For example, is she only interested in the size of the tumor at the end of the study, or is she planning on measuring the tumor at several pre-specified time points throughout the study. How many times will you be measuring the response variable? -- ErinEsp - 22 Feb 2010