Rows per Sampe ANOVA w replication

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Hi. I am trying to analyze the measured expired volume in 1 second using a control and two test spirometers. I have obtained 66 separate measuremenst using myself as the test subject. I have documented the measurements in columnar form with the spirometer used heading each column. The measurements are entered in rows (each row representing a different day/measurent). When I go to the ANOVA Two Factor with Replication, I enter 66 in the Rows per Sample box. I then receive an error message that states, "input range should contain two or more blocks of data arranged in rows or columns." What am I doing wrong? Should I format my data differently? Thanks

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