OPEN ACCESS STATISTICS RESOURCES

In this paper we illustrate an open access statistics resource related to the statistical activities involved in choosing and carrying out an appropriate one sample test for location (mean or median) on a randomly generated data set. The development of the resource was funded through a sigma Resource Development Grant and is freely available from the UK national statstutor site. Five e-Assessment modules are available and these may be accessed independently or can be taken sequentially mimicking the flow of a full statistical analysis using the SPSS software package. On accessing the resource a new statistical data set may be generated or an existing data set used. Each module requires the data to have been downloaded to the SPSS statistical package, relevant analysis output obtained and a few questions answered to demonstrate understanding of the results. On submission, the e-Assessment system marks the responses immediately and provides full bespoke feedback for inappropriate test choices as well as other incorrect analysis. Videos and instruction pamphlets are accessible as links from each e-Assessment, which give clear instructions as to how to carry out the analyses and interpret results using SPSS. These additional resources, together with repeated use of the e-Assessment modules, facilitates learning how to identify and employ the correct test on a variety of data sets.