TABLE 3-9 The Population of Eight Analysts at a Software Firm Were

Short Answer

TABLE 3-9
The population of eight analysts at a software firm were asked to estimate the reuse rate when developing a new software system. The following data are given as a percentage of the total code written for a software system that is part of the reuse database.
50, 62.5, 37.5, 75.0, 45.0, 47.5, 15.0, 25.0
-Referring to Table 3-9, what are the variance and standard deviation of the total code that is part of the reuse database?