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In addition to offering spreadsheet functions capable of managing and organizing large data sets, Excel also includes graphing tools and computing capabilities like automated summation or “AutoSum.”. Excel also includes Analysis ToolPak, which features data ... Pilot studies contribute to the development and design of future (larger) studies by: Refining the research hypotheses. Identifying barriers to successful study completion. Evaluating acceptability of methods and instruments to participants. Estimating the time required for study participation. Providing estimates of missing data and ….