![]() Along with correlation study, analysis by t‑test and ANOVA was also provided. All formula and functions were tested in Excel® 2007.Ĭonclusion: Excel® as a tool for statistical analysis of data would facilitate researchers to do all statistical analyses in a single file. Its execution process from sample size calculation to statistical analysis of data has been explained step by step in Excel® 2010. ![]() Methods: An example of a correlation study of body mass index and peak expiratory flow rate was taken. Hence, we planned to provide hands‑on guide for sample size calculation and statistical analysis of data in Microsoft Excel® 2010 commonly needed for a correlation study. One big question frequently encountered by investigators is How to calculate sample size? After data collection, it is essential to test the data statistically. ![]() Background and Aim: Investigators use correlation study to determine the extent to which two or more variables are related among a single group of people. ![]()
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