For Excel 2000 through Excel 2003, Microsoft Office macro security level set to Medium (see Topic 3a “Configuring Excel 2000-2003 Security for PHStat2”). For Excel 2007, Trust Center Macro Settings set to Disable all macros with notification (recommended) or Enable all macros. See section 3a or 3b for more details. (There are no security settings in Excel 97 or the original, unpatched version of Excel 2000. ) Internet access (for downloading updates to Microsoft Excel, from www. microsoft. com, and PHStat2, from www. prenhall. com/phstat, as they become available), optional but recommended.
Requirements for running the PHStat2 setup program: CD or DVD drive. Approximately 10 MB hard disk free space while running the setup program and 3 MB hard disk space after program setup. On some older systems, the Windows system files that may get replaced or added during the setup process will require up to 6 MB additional hard disk space. Windows user account with administrator or software-installing privileges (does not apply to Windows 98Se or ME). Student or faculty accounts used to login onto networked computers in academic settings typically do not have this privilege.
F Test for Differences in Two Variances: Two-tailed test formula to determine whether to reject null hypothesis corrected. Z Test for Differences in Two Means: Upper-tail test formula to determine whether to reject null hypothesis corrected. Minor reformatting in selected worksheet and dialog box labels. Enhanced statistical procedures in version 2. 5: Chi-Square Test includes Marascuilo Procedure output option. Histogram & Polygons Frequency distributions include percentage and cumulative percentage columns. Kruskal-Wallis Rank Test Worksheet redesigned to accommodate larger number of groups.